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How to take backup every day using Excel files?

Last Modified: 2013-12-01
We have work in Excel files. We need to modify same file every day. How to take backup this file every day? If we take backup in the CD same file, we want to take every day. Every day modify contents should be backup under one file. How to do this?

<<Punctuation and grammar edits made to improve clarity--7/12/08 by byundt, Microsoft Excel Page Editor>>
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You could use a batch file.  You can create a batch file with Notepad, as long as you save it with a ".BAT" extension.  The script I am about to give you will append the date to the filename with the copy, so you get a new dated copy every day.  A "BAT" file can be doubleclicked to run immediately, or scheduled to run just like a normal program.

Once you have the batch file, you can schedule it as a task in your Windows Task Scheduler.  Don't forget to close the spreadsheet each night or the backup won't run.  (If you must have the spreadsheet open, then you probably need a different solution).

Note that the three "FOR" commands are tweaks so that you can capture the current date into three variables, %yyyy%, %mm%, and %dd% so they can be used as part the backup filename.  Of course you will want to tweak the copy command so it references the correct folders of your choice.

So this would make a copy of YourExcelFile.xls as Your-Excel-Backup-2008-07-15.xls.  If run tomorrow, it would make a copy as Your-Excel-Backup-2008-07-16.xls.  If scheduled to run daily, you'll automatically have a separate copy of your spreadsheet, one per day, of how it was that day.  You might create a folder for these backups - although my script dumps them in C:\ this is probably not where you really want them.
FOR /F "TOKENS=1,2 eol=/ DELIMS=/ " %%A IN ('DATE/T') DO SET mm=%%B
FOR /F "TOKENS=1,3 eol=/ DELIMS=/ " %%A IN ('DATE/T') DO SET dd=%%B
FOR /F "TOKENS=1,4 eol=/ DELIMS=/ " %%A IN ('DATE/T') DO SET yyyy=%%B
copy "C:\Whatever\Whatever\YourExcelFile.xls" "C:\Your-Excel-Backup-%yyyy%-%mm%-%dd%.xls"

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