Excel file won't open.."file format not valid"

re-sending this message (4th time). As 1st time user of this web site, just
realized I've been entering wrong info for "Title"....sooooo...sending again..

System: Windows 98 4.10
Excel version 7.0

Problem: getting error message when try to open 2 Excel files...2 other ones
open just fine! Never had this problem before!!
ALSO....when click on Help on tool bar in Excel, same thing...
can't open the selections in the drop-down box!!

ERROR MESSAGE: bill list.xls: file format is not valid


PLEASE HELP!! What has changed OR what have I done to cause this to
happen all of a sudden??
THANK YOU!!

 

Hi

I replied to your original posting on this.

It sounds like the file is corrupt.