Extension of Excel Backup Files Is .BAK PSS ID Number: Q69308 Article last modified on 02-26-1993 PSS database name: W_eXceL
3.00
WINDOWS
Summary:
Page 429 of the “Microsoft Excel User’s Guide” states:
…if you have two files – TEST.XLS and TEST.XLC – the backups for both are saved in the file TEST.BKP…
Excel only creates backup files with an extension of .BAK. The extension .BKP is not used by Excel.
Reference(s):
“Microsoft Excel User’s Guide.” Version 3.00, page 429.
Copyright Microsoft Corporation 1993.
