Teams files inaccessible

Verify SharePoint site permissions and the associated team membership.

How to troubleshoot

1. Check Microsoft 365 service health and capture the exact error and affected account.
2. Verify SharePoint site permissions and the associated team membership.
3. Retest with the affected user and document the admin change in your change log.

When to get professional assistance

If these steps do not resolve the issue, or you suspect failing hardware, data loss, a security incident, or a production-system problem, consider qualified technical support. Back up important data where possible and obtain authorization before changing business systems.

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