Check your other post.

"Farmer J." wrote:

After doing a HD data transfer, all my spreadsheets open with this
message, followed by a series of .xls file Excel couldn't find
(apparently). File reads OK, and I can save changes, but clicking
through this series of warnings on every spreadsheet is getting
boring.

This PC was a gift, so I don't have the MS Office disk. How to fix?

--

Dave Peterson