Currently, co-editing Excel files during a Teams meeting is restricted due to organizational data policies and account permissions.

🔒 Key Limitations:

• Files shared in a Teams meeting are treated as organizational data.
• Participants without an Office 365 organizational account are considered external users.
• External users cannot co-edit or access shared files unless granted specific permissions outside the meeting context.

This is a known functional limitation, and we appreciate your understanding. For collaborative editing, consider sharing the file via OneDrive or SharePoint and adjusting access settings before the meeting.

Yes, Excel supports real-time collaboration, allowing multiple users to edit a workbook simultaneously and add comments in a chat-style format directly within cells.

💬 Commenting Features in Excel

• Users can add threaded comments to individual cells.
• Comments support replies, enabling back-and-forth discussions.
• This is ideal for scenarios like forecast reviews, sales input, or team feedback.

🧭 How to Add and Reply to Comments

1. Open the shared Excel file in Excel for Microsoft 365 or Excel Online.
2. Right-click the cell where you want to comment.
3. Select “New Comment” (not “Note”) to start a thread.
4. Type your comment and click Post.
5. Others can click Reply to continue the conversation.

📚 Reference:

• Adding Comments and Notes in Excel

Currently, co-editing Excel files during a Teams meeting is restricted due to organizational data policies and account permissions.

🔒 Key Limitations:

• Files shared in a Teams meeting are treated as organizational data.
• Participants without an Office 365 organizational account are considered external users.
• External users cannot co-edit or access shared files unless granted specific permissions outside the meeting context.

This is a known functional limitation, and we appreciate your understanding. For collaborative editing, consider sharing the file via OneDrive or SharePoint and adjusting access settings before the meeting.