Fazer um backup Para fazer um backup do banco de dados, siga estas etapas: SSMS T-SQL Inicie o SSMS (SQL Server Management Studio) e conecte-se à …Launch Stellar Repair for MS SQL software. On the ‘Select Database’ dialog box, click ‘Browse’ or ‘Find’ to select the corrupt SQL database. After selecting the database file (.mdf), click ‘Repair.’. On the ‘Select Scan …To restore database from corrupt SQL Server backup (.bak) file by using the software, follow these steps: Step 1: Download, install and launch Stellar Toolkit for MS SQL software. Step 2: In software’s user interface, select Extract from MS SQL Backup. Step 3: In Stellar Backup Extractor for MS SQL window, click Select File to choose the .bak ...This MS SQL database backup (.BAK) recovery tool, trusted by MVPs and IT administrators worldwide, efficiently repairs corrupt SQL backup files. It retrieves all the data from the damaged SQL backup file without modifying the original data. The tool supports MS SQL Server 2022, 2019, and all the lower versions. Free Download100% Secure Buy Now.January 11, 2023. One of the most important files in your WordPress installation is the wp-config.php file. This file is located in the root of your WordPress file directory and contains your website's base configuration details, such as database connection information. When you first download WordPress, the wp-config.php file isn’t …Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand ; Advertising Reach developers & technologists worldwide; Labs The future of collective knowledge sharing; About the companyOpen the phpMyAdmin console from your control panel. From the sidebar navigation pane on the phpMyAdmin interface, select the database you want to backup. Click on the Export tab from the top of the navigation bar. You will find two options under the Export tab — Quick and Custom. If you choose the quick export method, click on the Go button ... For example, you export apple.db to backup.sql with .dump or .schema as shown below. *backup.sql is created if it doesn't exist and .dump can export schema with data and .schema can export only schema and my answer explains how to export a database: sqlite3 apple.db .dump > backup.sql Or: sqlite3 apple.db .schema > backup.sqlProject: Bank Management System in PHP and MySQL with Source Code About Bank Management System Free Download. The Bank Management System is simple web application develop in PHP MySQL database, using JavaScript, HTML, CSS, Bootstrap, Modal and Ajax, the system is very friendly user and simple to understand. The bank …Wordpress NGINX + FastCGI Cache, Err_too_many_requests. Have a weird situation with my Wordpress set up running NGINX and PHP8.0 with FastCGI Cache. The site will end up in a too many requests loop, however, it doesn't happen immediately and will come out of this loop by itself. E.g. it could work fine for 8 hours, and then it goes into the ...Bước 1: Nhấn chuột phải vào file BAK cần mở > Chọn Edit with Notepad++. Bước 2: Kiểm tra xem dòng đầu tiên phần mềm là file gì. Ví dụ hình bên dưới là ID3. Bước 3: Tra cứu trên Google là file gì. Ví dụ: Hình trên có tag là ID3 và tra trên Google là …[cjh] Use conf.bak.php for backup files so they are parsed by PHP (Request #6341). [cjh] Add a configuration setting for using pretty URLs (Request #6264). [cjh] Add a method for counting attribute values without returning full objects from the DataTree ([email protected], Request #6289). [cjh] Protect logout links with CSRF tokens.This MS SQL database backup (.BAK) recovery tool, trusted by MVPs and IT administrators worldwide, efficiently repairs corrupt SQL backup files. It retrieves all the data from the damaged SQL backup file without modifying the original data. The tool supports MS SQL Server 2022, 2019, and all the lower versions. Free Download100% Secure Buy Now.Step-1. Create a database with your desirable name. Step-2. Right click on the Database >> Tasks >> Restore >> Database. Step-3. In the Restore Database window, click on the Options and then check the “Overwrite the existing database (WITH REPLACE) ” …The most common .bak files nowadays are database backups of SQL Server databases, but there are still other programs (like SqlBak) that might create files with this …The most common .bak files nowadays are database backups of SQL Server databases, but there are still other programs (like SqlBak) that might create files with this …Bước 1: Nhấn chuột phải vào file BAK cần mở > Chọn Edit with Notepad++. Bước 2: Kiểm tra xem dòng đầu tiên phần mềm là file gì. Ví dụ hình bên dưới là ID3. Bước 3: Tra cứu trên Google là file gì. Ví dụ: Hình trên có tag là ID3 và tra trên Google là …Installing Horde. Default installation is with Apache + mod_php5 + php-mysql: # aptitude install horde3. Packages installed looks like: apache2-mpm-prefork apache2-utils apache2.2-common fckeditor horde3 libapache2-mod-php5 libmcrypt4 php-cache php-date php-db php-file php-http-request php-log php-mail php-mail-mime php-mail …Step 1: Create a database with your preferred name. (In our case AdventureWorks) Step 2: Write click on the database and click on Tasks >> Restore >> Database…. Step 3: On the restore screen go to third selection of Options. Now select the checkbox “Overwrite the existing database (WITH REPLACE)”. Step 4: Click OK.Key Features of MariaDB. Steps to Migrate Data From MySQL to MariaDB. Step 1: Create MySQL Database Backup. Step 2: Uninstall MySQL Database Packages. Step 3: Install MariaDB Database Packages. Step 4: Load MySQL Backup File to MariaDB. Limitations of using mysqldump to Load Data from MySQL to MariaDB. Conclusion.In the following example, we will restore backup of ‘A2Z’ db and save it to the same database with a different name ‘A2Z_2’. Step 1: Open SSMS and connect to the SQL Server instance. Step 2: Under …Convertio - Easy tool to convert files online. More than 309 different document, image, spreadsheet, ebook, archive, presentation, audio and video formats supported.ไฟล์ .BAK สกุลไฟล์ (file type) เป็นสกุลที่ย่อมาจากคำว่า backup file ที่แปลได้ตรงตัวว่าไฟล์ดังกล่าวเป็นไฟล์สำหรับสำรองข้อมูล ไฟล์ประเภทนี้ ...How to restore SQL 2005 .bak file using C# where the database is in use. Not able to restore a .bak file taken from another pc having problem in attaching ".bak" file in sql 2012Using an FTP client or file manager, simply delete the file from your website’s root directory, and it will be recreated automatically. If for some reason it isn’t recreated, then you should go to Settings » Permalinks in your WordPress admin panel. Clicking the ‘Save Changes’ button will save a new .htaccess file. 6.Repairs and Restores Corrupt MS SQL Database (.BAK) This tool allows you to repair and restore corrupt SQL database (.bak) files with 100% precision. It supports all backup types, including Full Backup, Differential Backup, and Transaction Log. You just need to select the file, scan it, and then save the recovered data to a new/live SQL database. The sqlite3 command line tool features the .backup dot command. You can connect to your database with: sqlite3 my_database.sq3. and run the backup dot command with: .backup backup_file.sq3. Instead of the interactive connection to the database, you can also do the backup and close the connection afterwards with.Re: Grab SQL .BAK files. by PTide » Mon Oct 03, 2016 3:01 pm. I meant that if you need .bak for some particular transaction you can perform Instant Recovery of the VM with a subsequent restore to point in time or restore to specific transaction operation and then get .bak for that specific point in time. Thanks.Step 1: Open SSMS and connect to an instance of SQL Server. Step 2: Next, go to Object Explorer and click the Server Name to expand the Server tree. Step 3: …The .restore Command. The .restore command was designed specifically to restore a database from a file. It’s pretty straightforward to use. Here’s an example: ATTACH DATABASE 'pets2.db' AS Pets2; .restore Pets2 bak/pets_backup.db. In this case I used the ATTACH DATABASE statement to create a blank database file and attach it under the …Dec 27, 2023 · In SQL Server, the backups are usually stored in a file with .BAK extension. The backup comes in handy when you need to restore the data in case of an incident or issue with the server or database file. However, SQL database backup (.BAK) files can also get corrupted due to a range of factors. May 26, 2023 · This will show you a list of database files contained in DB.bak: RESTORE FILELISTONLY FROM DISK = 'D:\3.0 Databases\DB.bak' You will need the logical names from that list for the MOVE operation in the second step: RESTORE DATABASE YourDB FROM DISK = 'D:\3.0 Databases\DB.bak' and you have to move appropriate mdf,ndf & ldf files using Creating SQL .BAK files is common practice to preserve a given state of a SQL database in case of data corruption/data loss. Using the API solution provided in this article, you can easily retrieve all the tables in any given .BAK file with a single request and list them in JSON format. Your response will be structured based on the following ...Script files: SQL files that you want to run. To add files, click the Add button and navigate to files that you want to run. If a script contains schema switching, you will see a warning (). Click Run. To see other options of how you can run an SQL file against a database, refer to Run files. Import CSV filesStep-1. Create a database with your desirable name. Step-2. Right click on the Database >> Tasks >> Restore >> Database. Step-3. In the Restore Database window, click on the Options and then check the “Overwrite the existing database (WITH REPLACE) ” …Click on SQL Backup Recovery icon. The User Interface provides the list of steps for SQL backup recovery. From the available software, click on Browse if you are aware of the location and name of the .BAK file. Alternately, click on Search to find the file in particular drive or folder. Select the corrupt .bak file which you need to recover.The BAK file is used by many different applications like Microsoft SQL Server to back up the SQL Server database or store more files for backup purposes. However, sometimes SQL administrators or users get SQL BAK files from external applications or want to open BAK file without SQL Server to view its content.The .restore Command. The .restore command was designed specifically to restore a database from a file. It’s pretty straightforward to use. Here’s an example: ATTACH DATABASE 'pets2.db' AS Pets2; .restore Pets2 bak/pets_backup.db. In this case I used the ATTACH DATABASE statement to create a blank database file and attach it under the …1.Exporting Database from SQL Server. On Object Explorer right click database you want to export listed in Databases node. Select Tasks then select Export Data-tier Application. Click Export Settings. Make sure Save to local disk is checked. Browse the path and save the file as .bacpac file. Click Next and Next to export. 2.Importing Database ...If these are SQL .bak files you're copying, I would highly suggest doing one of the following to shrink your files down prior to copying: Shrink the database and truncate the log prior to running the backup. OR; Compress the .bak file prior to copying.May 27, 2012 · *.bak extension file's are a SQL Server backup file and *.sql is a sql script file which contains plain SQL commands.. You can't just convert a *.sql file to *.bak. Probably what you want to do is: restore the backup file and then import it to MYSQL. Perform a backup using .bak. This procedure involves performing a full backup of the SQL database hosted in Azure (supported in Azure SQL on VMs and Azure SQL Managed Instance offerings only), followed by differential and log backups, and then restoring the same backups to the target RDS for SQL Server instance, with the help of …Jan 7, 2022 · Click on SQL Backup Recovery icon. The User Interface provides the list of steps for SQL backup recovery. From the available software, click on Browse if you are aware of the location and name of the .BAK file. Alternately, click on Search to find the file in particular drive or folder. Select the corrupt .bak file which you need to recover. Installing Horde. Default installation is with Apache + mod_php5 + php-mysql: # aptitude install horde3. Packages installed looks like: apache2-mpm-prefork apache2-utils apache2.2-common fckeditor horde3 libapache2-mod-php5 libmcrypt4 php-cache php-date php-db php-file php-http-request php-log php-mail php-mail-mime php-mail …Nov 23, 2020 · パソコンで、アプリケーションのフォルダなどを覗いてみると、ファイルの拡張子の後ろに「.bak」と付いたファイルが存在していることがあります。この記事では、拡張子「.bak」のファイルとはどういったファイルなのか・また開き方と作り方をご紹介しています。 1) Go to backup. 2) Remove the destination file-path to disk. 3) Click on Add. 4) In the File name: check box manually type in the backup name after ..\backup like below where Yourdb.bak is the database backup name. C:\Program Files\Microsoft SQL Server\MSSQL11.MSSQLSERVER\MSSQL\Backup\Yourdb.bak. 5) Click on OK.Look for wp-config.php and click on it. The file won’t open when you click on it, but you can open it by navigating to the menu bar and clicking edit or right clicking the file. Before you make any changes to wp-config, make a copy. Right click the file and select Copy. Name it wp-config.bak and save the file.To my knowledge, no. Generally speaking, a .bak file needs to be opened with the program that made it. For example, ihatephp.php.bak would need to be opened up by a PHP editor (or notepad/ gedit / nano / vim) after removing the .bak part of the file. If the .bak is a Windows System backup, then you cannot open it on linux or ubuntu, as it ...Jan 10, 2024 · Step 1: Open SSMS and connect to an instance of SQL Server. Step 2: Next, go to Object Explorer and click the Server Name to expand the Server tree. Step 3: Navigate to Databases and open the database you want to restore in SQL Server. Step 4: Right-click the Database, and then click Restore Database. Most Databases compress down 50 to 85% or more. Just zipping up the files will add time and complexity to your backups and restores. Also zip can't handle large files well or at all in some cases ...The BAK file is used by many different applications like Microsoft SQL Server to back up the SQL Server database or store more files for backup purposes. However, sometimes SQL administrators or users get SQL BAK files from external applications or want to open BAK file without SQL Server to view its content.Installing Horde. Default installation is with Apache + mod_php5 + php-mysql: # aptitude install horde3. Packages installed looks like: apache2-mpm-prefork apache2-utils apache2.2-common fckeditor horde3 libapache2-mod-php5 libmcrypt4 php-cache php-date php-db php-file php-http-request php-log php-mail php-mail-mime php-mail …Oct 1, 2008 · Yes the import worked fine for me. Right click on the 'databases' node click import- First select the BAK file then choose database - It automatically gets the database name from the loaded .bak file and puts it into the list. (to create the new database) Select that and click import.. Woohoo - 6 days later! May 23, 2012 · The following lines can be added to your Batch1.bat file to move and delete files older than seven days: ROBOCOPY C:\Temp\New C:\Temp\Old *.* /move /minage:7 DEL C:\Temp\Old\*.*. The first row moves all files that are older than seven days in the 'New' folder to the 'Old' folder. The second row deletes all files in the 'Old' folder. Share. Add this topic to your repo. To associate your repository with the employee-database topic, visit your repo's landing page and select "manage topics." GitHub is where people build software. More than 100 million people use GitHub to discover, fork, and contribute to over 420 million projects.SQL-Server. SQL-Server-2008. extracting .mdf file and .ldf file from .bak. Posted 4-Sep-14 3:44am. Madhusudhan H N. Updated 8-Jun-17 21:51pm. Add a Solution.Oct 1, 2008 · Yes the import worked fine for me. Right click on the 'databases' node click import- First select the BAK file then choose database - It automatically gets the database name from the loaded .bak file and puts it into the list. (to create the new database) Select that and click import.. Woohoo - 6 days later! Move databases between RDS for SQL Server DB instances. Migrate data, schemas, stored procedures, triggers, and other database code inside .bak files. Backup and restore single databases, instead of entire DB instances. Create copies of databases for development, testing, training, and demonstrations.SQLBackupAndFTP is a software that backups SQL Server, MySQL, and PostgreSQL Server databases, performs regular full, differential, and transaction log backups, runs file/folder backup, zips and encrypts the backups, stores them on a network or on an FTP server or in the cloud (Amazon S3 and others - we're constantly adding more), removes …This MS SQL database backup (.BAK) recovery tool, trusted by MVPs and IT administrators worldwide, efficiently repairs corrupt SQL backup files. It retrieves all the data from the damaged SQL backup file without modifying the original data. The tool supports MS SQL Server 2022, 2019, and all the lower versions. Free Download100% Secure Buy Now.The following steps walk you through restoring a database with SSMS. In SSMS right-click Databases and select Restore Databases.... Under Source, select Device: and then select the ellipses (...). Locate your database backup file and select OK. Under Restore plan, verify the backup file and settings. Select OK. SQL Server restores the …If these are SQL .bak files you're copying, I would highly suggest doing one of the following to shrink your files down prior to copying: Shrink the database and truncate the log prior to running the backup. OR; Compress the .bak file prior to copying.Open the phpMyAdmin console from your control panel. From the sidebar navigation pane on the phpMyAdmin interface, select the database you want to backup. Click on the Export tab from the top of the navigation bar. You …Under Databases, open phpMyAdmin by clicking the phpMyAdmin icon. On the left, select the database that you will be working with. Click Import in the top menu. Under File to Import, click Browse and select the backup file you previously created (it will either be a .sql .zip or .tar.gz file).A project to make an intelligent warehouse management system which optimises a warehouse helping in reducing labour costs and space wasted while also increasing efficiency and space. Our project helps keep track of the shipments which come in and out of the warehouse, the highest selling products, the recently added products …Using the API solution below, you can quickly retrieve and convert specific tables from a SQL backup file and automatically convert them to CSV. This operation …Project: Bank Management System in PHP and MySQL with Source Code About Bank Management System Free Download. The Bank Management System is simple web application develop in PHP MySQL database, using JavaScript, HTML, CSS, Bootstrap, Modal and Ajax, the system is very friendly user and simple to understand. The bank …MS SQL Server and MySQL have their advantages over each other. Usually, the first reason to migrate from SQL Server to MySQL is the cost. Microsoft has SQL Server Express edition, which is free. But it has a 10 GB maximum database size and other essential limits. This fact prevents SQL Server free version from being used in production.In computing, " .bak " is a filename extension commonly used to signify a backup copy of a file . When a program is about to overwrite an existing file (for example, when the user saves the document they are working on), the program may first make a copy of the existing file, with .bak appended to the filename.nginx.conf for WordPress. # Ẩn, chặn truy cập tất cả các file cấu hình. VD: .env,... location ~ /\. {. # Chặn truy cập các file backup, sql,... #Ẩn nginx version. #Ẩn PHP version. Sign up for free to join this conversation on GitHub .If these are SQL .bak files you're copying, I would highly suggest doing one of the following to shrink your files down prior to copying: Shrink the database and truncate the log prior to running the backup. OR; Compress the .bak file prior to copying.Installing Horde. Default installation is with Apache + mod_php5 + php-mysql: # aptitude install horde3. Packages installed looks like: apache2-mpm-prefork apache2-utils apache2.2-common fckeditor horde3 libapache2-mod-php5 libmcrypt4 php-cache php-date php-db php-file php-http-request php-log php-mail php-mail-mime php-mail …Click on the Save button on the File menu. Select New Database, Live database, or Other Formats option to save the repaired database. Enter details to connect to the server, select default or new location to save the repaired database, and hit Next. Select an appropriate file saving mode and click Next.These are various tools for manipulating JET / MS Access database (MDB) files: utils - provides command line utilities to list tables, export schema, and data, show file versions, and other useful stuff. mdb-sql - a command line SQL tool that allows one to type SQL queries and get results. Installed size: 257 KB.Setting this value in wp-config.php overrides the wp_options table value for siteurl and disables the WordPress address (URL) field in the Administration > Settings > General panel. NOTE: It won't change the Database value though, and the url will revert to the old database value if this line is removed from wp-config.6. Inspect the SQL Database File. Your database isn’t immune from malware injections. After making sure your WordPress core and content files are clean, the next step is to take a closer look at your database. First, export your MySQL database as an .sql backup file with phpMyAdmin.Added the SqlTempLogPath Regkey with V:\ on the SQL Server. Now Veeam copied a lot of bak files and puts loads of XLM files into that separate Disk, so it seems like Veeam Agent did pick up the new path. While doing transaction logs now there are warnings like: Failed to save SQL Server transaction log backup file for database XXX to repository.Select the table you want to export data from and either press Next or Edit Mappings. Press Next to get to the next step of the wizard. You will get to a window where you have the option of running the query “Right Now” and also creating an SSIS package. After you’ve selected the options, press Next. You will get to the last stage where ...Enter phpMyAdmin from your hosting control panel. On the left side of the phpMyAdmin dashboard, click on the MySQL database you want to export. Then, select the Export tab on the top menu bar. phpMyAdmin has two export options: Quick and Custom. If you’re not familiar with SQL tables or want the simplest way to export your database, you …
Sep 16, 2022 · Click on the “Import” tab and then on “Choose file.” Select your *.sql file backup/export. And then click on “Go.” Important. Importing your *.sql file will overwrite the current contents of your database. If you are not comfortable doing this, please check with a developer first. Import database in phpMyAdmin. . Honda gcv200 pressure washer wonpercent27t start
Nmap showed two vulnerabilities with a high risk factor and one with a low: - High: SSL-Heartbleed (CVE-2014-0160) - High: SSL-CCS-Injection (CVE-2014-0224) - Low: SSL Poodle information leak (CVE-2014-3566) Heartbleed is a very dangerous vulnerability found in 2014 that allows an attacker to access data usually protected by TLS/SSL.Select the table you want to export data from and either press Next or Edit Mappings. Press Next to get to the next step of the wizard. You will get to a window where you have the option of running the query “Right Now” and also creating an SSIS package. After you’ve selected the options, press Next. You will get to the last stage where ...To restore database from corrupt SQL Server backup (.bak) file by using the software, follow these steps: Step 1: Download, install and launch Stellar Toolkit for MS SQL software. Step 2: In software’s user interface, select Extract from MS SQL Backup. Step 3: In Stellar Backup Extractor for MS SQL window, click Select File to choose the .bak ...Perform a backup using .bak. This procedure involves performing a full backup of the SQL database hosted in Azure (supported in Azure SQL on VMs and Azure SQL Managed Instance offerings only), followed by differential and log backups, and then restoring the same backups to the target RDS for SQL Server instance, with the help of …May 26, 2023 · This will show you a list of database files contained in DB.bak: RESTORE FILELISTONLY FROM DISK = 'D:\3.0 Databases\DB.bak' You will need the logical names from that list for the MOVE operation in the second step: RESTORE DATABASE YourDB FROM DISK = 'D:\3.0 Databases\DB.bak' and you have to move appropriate mdf,ndf & ldf files using SQL is a standard language for storing, manipulating and retrieving data in databases. Our SQL tutorial will teach you how to use SQL in: MySQL, SQL Server, MS Access, Oracle, Sybase, Informix, Postgres, and other database systems. Start learning SQL now ».The .restore Command. The .restore command was designed specifically to restore a database from a file. It’s pretty straightforward to use. Here’s an example: ATTACH DATABASE 'pets2.db' AS Pets2; .restore Pets2 bak/pets_backup.db. In this case I used the ATTACH DATABASE statement to create a blank database file and attach it under the …Following is the syntax of the BACKUP DATABASE command in SQL −. BACKUP DATABASE database_name TO DISK = 'filepath' GO Example. Following is an example to create a backup file for the database testDB on D drive. SQL> BACKUP DATABASE testDB TO DISK = 'D:\testDB.bak' GO To perform a backup or restore you should have admin …BACKUP DATABASE testDB. TO DISK = 'D:\backups\testDB.bak'; Tip: Always back up the database to a different drive than the actual database. Then, if you get a disk crash, you will not lose your backup file along with the database. Nov 22, 2023 · Using an FTP client or file manager, simply delete the file from your website’s root directory, and it will be recreated automatically. If for some reason it isn’t recreated, then you should go to Settings » Permalinks in your WordPress admin panel. Clicking the ‘Save Changes’ button will save a new .htaccess file. 6. 1. Create a new script named backup_combo.sql, and populate the code below to the backup_combo.sql file. The code is quite long, so you’ll add individual parts of the code to the script file in the …Move databases between RDS for SQL Server DB instances. Migrate data, schemas, stored procedures, triggers, and other database code inside .bak files. Backup and restore single databases, instead of entire DB instances. Create copies of databases for development, testing, training, and demonstrations.Repairs and Restores Corrupt MS SQL Database (.BAK) This tool allows you to repair and restore corrupt SQL database (.bak) files with 100% precision. It supports all backup types, including Full Backup, Differential Backup, and Transaction Log. You just need to select the file, scan it, and then save the recovered data to a new/live SQL database.Let’s open and work with the SQL Server Import and Export Wizard. Right-click the name of the database from which you want to export data to a CSV file, choose Tasks, and then, Export Data. You see a welcome screen like the one below. Click Next. Choose a data source from which to export data. Click Next.Click on the “Import” tab and then on “Choose file.” Select your *.sql file backup/export. And then click on “Go.” Important. Importing your *.sql file will overwrite the current contents of your database. If you are not comfortable doing this, please check with a developer first. Import database in phpMyAdmin.Download the RebaseData client Java tool .To convert your database using RebaseData, run the following command: java -jar client-0.0.5.jar convert --output-format=mysql database.bak output-dir/Feb 16, 2022 · For SQL Server to read a backup, the mssql user must have read permissions for the directory where the backup is located. You can restore the backup with the. RESTORE DATABASE. SQL command: RESTORE DATABASE [test-database] FROM DISK = "/backups/sql-server/full.bak" WITH REPLACE; Please note that the. REPLACE. Jul 7, 2021 · A file with the BAK file extension is a backup file. This file type is used by many different applications, all for the same purpose: to store a copy of one or more files for backup purposes. Most BAK files are created automatically by a program that needs to store a backup. This could be anything from a web browser storing backed-up bookmarks ... .