Please ensure the .xls file is not opened in other workbooks, add-ins, or apps. After coming to that conclusion, simply attempt to open the file again in Excel to see if the problem no longer exists.

How to Open an XLS File in Excel. XLS files are Excel workbook files created in Excel 97 or Excel 2003. The 2007, 2010 and 2013 versions of the program use the XLSX format by default to save ...

How to Open XLS Files on a Smartphone. XLS is the default file type for Microsoft Office Excel files. It is compatible with nearly all programs that read spreadsheet files. If you are looking to ...

QUESTION:A while back, I installed a shareware program called 602 pc suite 2000. The program must have altered the way I log into Windows Explorer to read my Microsoft Excel files. When I do so, I ...

Cannot open Word, Excel, PowerPoint files or email attachments in Office In such cases, Office may report the file as being corrupt. The exact errors may include: ...

Today, users reported that these reports no longer work. The issue appears to be caused by yesterday’s patch – KB3170008… When opening one of these files, Excel will act as if no file is open.

I made a zip file from about 20 .doc and 30 .xls files with winzip, then used winzip to split the program into 4 files (this was in windows ME.). I've upgraded to XP, and now when I try to access ...