The extension of the backup file is usually ".bak"; the bak file is a backup file. This type of file usually has the original extension added in front of '.bak', and some are composed of the original file. The suffix name is mixed with bak. After a certain type of file is generated, its backup file will be automatically generated.
The operating environment of this tutorial: Windows 10 system, DELL G3 computer.
What is the extension of backup file usually bak
bak is a backup file, which is the file format extension name. This type of file usually has the original extension in front of .bak, such as windows.dll.bak, or windows_dll.bak. Some of them are a mixture of the original file extension 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.
Many software sets the creation of backup files as the default configuration of the software, especially many programming, drawing, and design software. The advantage of this is that when the source file is accidentally deleted When deleting or automatically exiting due to a bug in the software, you can continue editing based on the backup file, otherwise the previous efforts will be in vain, thus reducing a lot of losses caused by misoperation.
Generally speaking, the .bak file can be restored by directly renaming it and replacing bak with the format of the file and opening it 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.
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