File/ Save As/ Tools/ General Options/ Always create backup
If you didn't create a backup last time, make sure that you do so in future.
--
David Biddulph

"one-eye-jack" wrote in message
...
How to use backup? Where to find this backup command? Thanks

"David Biddulph" wrote:

Use the backup.
--
David Biddulph

"one-eye-jack" wrote in message
...
How do I retrive back accidentally deleted worksheets?