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Is there a file size capacity? I have a large excel file with multiple tabs .
I have a large excel file that I have been using for 20 + years. Prior to 365, a few of my older versions froze and I had to start over using a backup file. Just want to avoid this now. the c...
Use Excel with earlier versions of Excel
For backward compatibility with earlier versions of Excel, such as Excel 97-2003, you can use one of two ways to exchange workbooks between the different versions.
More infos in the upper link.
Additional Informations:
Excel specifications and limits