Excel Shared Workbook Conflicts with Co-Authoring
The classic shared workbook conflicts with modern co-authoring in Excel. If you see 'This workbook is already shared,' disable co-authoring by unchecking 'Use the modern sharing experience' in Trust Center settings, then restart Excel.
This asset is part of Share Workbook Not Working? Here’s the Fix published by SheetForge. Licensed under CC BY 4.0 — Free for personal use. Free to use with attribution.