Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Hi , could you share the exact message Excel displays when you try to edit? A screenshot would help—please hide any personal information.
Please also try opening a new blank workbook and typing into a cell. Does editing fail there too, or only in an existing file?
This will help me narrow down whether the issue is with Office activation or restrictions on a particular workbook.