What file is .bak?

".bak" is a backup file, which is the extension of the file format; the significance of creating a backup file is when setting the default configuration of the software, especially many programming, drawing and design software, when the source file If it is accidentally deleted or automatically exits due to an error in the software itself, you can continue editing based on the backup file.

The operating environment of this tutorial: Windows 10 system, DELL G3 computer.

What is the file

.bak is a backup file, which is the file format extension. This type of file usually has the original extension in front of .bak, such as windows.dll.bak, or windows_dll.bak. Some are mixed with the suffix of the original file and bak. For example, the backup file of proteus is .DBK. Many software, such as editplus, will automatically generate a backup file after generating a certain type of file. If you do not want to back up the file, you can open Tools->Parameter Selection->File on the menu bar. Just uncheck "Automatically create backup files when saving". Other software such as CAD, KEIL and other software can also cancel the default backup files through relevant settings.

1. In the computer, .bak is a backup file, which is an extension of a file format. Generally speaking, such files should have the original extension, such as windows.dll.bak or windows_dll.bak in front. bak, while others are a mixture of the original file and the extension of bak. Many software, such as editplus, automatically generate a backup file of a certain type of file after generating it.

#2. The significance of creating a backup file is that when setting the default configuration of the software, especially many programming, drawing and design software, when the source file is accidentally deleted Or when the software automatically exits due to errors in the software itself, you can continue editing on the basis of the backup file, otherwise the previous efforts will be in vain, thereby reducing the losses caused by multiple misoperations.

3. This .bat backup file can be canceled, and other software such as CAD, KEIL, etc. can also cancel the default backup file through relevant settings. Generally speaking, you can rename the .bak file directly, replace bak with the format of this file, and the file can be restored and opened normally. To give a simple example: sometimes when moving autocad files, .bak files will be generated.Extended knowledge

Generally speaking, the .bak file can be restored by directly renaming it and replacing bak with the format of the file. and opened normally.

A simple example: When autocad files are moved, .bak files are sometimes generated. For example, there is a backup file asdfjk.bak of the asdfjk.dwg file. If you want to restore the backup file to a formal file, you only need to Rename the backup file and replace bak with dwg to open it.

Similarly, if it is a backup file of a word file, just replace bak with doc. (Can be changed to any file format)

Also, the encrypted .bak file cannot be opened by modifying and renaming it, even if it is opened, it will be garbled.For more related knowledge, please visit the
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