File Extension

WBK File Format

Backup file (Microsoft Word for Windows)

The WBK file extension is primarily associated with Microsoft Word document (DOC) backup files. If the option is selected in Word, the program creates a backup copy, with the WBK extension, of any Word document so that the document can be recovered in the event of a program or system crash or if the file is corrupted, infected or accidentally deleted. 

 

Learn more about WBK files:

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This was last updated in September 2010
Editorial Director Margaret Rouse

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