First, try opening the file by logging into Teams through an incognito or private window in your browser using the credentials that should have access to the file.
Contact the group administrator or the person who shared the file and ask them to confirm that you have the necessary access rights to the file.
The person who shared the file can check the file's access permissions as follows:
- Right-click the file in the Teams application and select "Open in SharePoint."
- Right-click the file in the opened window and select "Manage access."
- Right-click the file in the Teams application and select "Open in SharePoint."
If the desired person or group to which they belong is not listed, they can be added as follows:
- Click "Share.Start sharing"
- Enter the person's name, email address, or group name in the "Add name, group, or email" field.
- Click "Send."
- Click "Share.Start sharing"
If you still cannot open the file, ask the person who shared it to submit a service request to the helpdesk. They manage the access rights to the shared files and can seek assistance from us if needed.
The service request should include the following information:Can other members of the Teams group open the file?
Teams group name
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