Applies To
Excel for Microsoft 365 Excel for Microsoft 365 for Mac Excel for the web

The shared workbook feature is an older feature that has been replaced by co-authoring. For more info, see Collaborate on Excel workbooks with others at the same time using co-authoring.

However, if you still need to use the older feature, you can turn it back on. For more info, see What happened to shared workbooks?

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