Is M365 down today?

How to Contact Microsoft 365 Technical Support?

- Support portal at support.microsoft.com/office;

- Microsoft 365 Admin Center support (for admins);

- Live chat and phone support available;

- Community forums at answers.microsoft.com;

- Twitter support at https://x.com/MicrosoftHelps;

- Virtual Agent at support.microsoft.com;

- Submit service request through admin center;

- Premier support for enterprise customers.

Latest News and Current Information:

- X (Microsoft 365) - https://x.com/Microsoft365;

- X (Microsoft Support) - https://x.com/MicrosoftHelps;

- Facebook - https://www.facebook.com/Microsoft365;

- LinkedIn - https://www.linkedin.com/showcase/microsoft-365;

- YouTube - https://www.youtube.com/microsoft365;

- Official Website - https://www.microsoft.com/microsoft-365;

- Service Health - https://status.office.com;

- Tech Community - https://techcommunity.microsoft.com;

- Microsoft 365 Blog - https://www.microsoft.com/en-us/microsoft-365/blog;

- Roadmap - https://www.microsoft.com/microsoft-365/roadmap.

Microsoft 365 Outage: Service Unavailable or Connection Issues

When Microsoft 365 experiences an outage, users may encounter application crashes, login failures, or complete inability to access services.

- Check Microsoft 365 status at status.office.com;

- Monitor Service Health Dashboard in admin center;

- Verify internet connection is stable;

- Try accessing through different browsers or devices;

- Clear browser cache and cookies;

- Switch between desktop apps and web versions;

- Wait 15-30 minutes during confirmed outages;

- Check if issue is regional or global.

Login or Authentication Problem: Cannot Sign In or Password Issues

Authentication problems include login errors, multi-factor authentication failures, or account access issues.

- Verify email and password are correct;

- Use "Forgot Password" at login.microsoftonline.com;

- Check email for password reset link;

- Clear browser cache before login;

- Try different browser or device;

- Verify MFA code is current and correct;

- Check if account locked or disabled;

- Contact IT admin for organizational accounts;

- Use incognito/private browsing mode;

- Try signing in at office.com.

Outlook or Email Fault: Emails Not Sending or Receiving

Email problems include messages not sending, inbox not updating, or synchronization errors.

- Check internet connection stable;

- Verify mailbox not full (storage limit);

- Clear Outlook cache and restart;

- Check email in Outlook Web App;

- Verify correct email account signed in;

- Check spam or junk folders;

- Disable add-ins temporarily;

- Repair Office installation;

- Create new Outlook profile;

- Check firewall not blocking connection.

Teams Problem: Cannot Join Meetings or Chat Not Working

Teams issues include meeting join failures, video/audio problems, or chat not sending.

- Update Teams to latest version;

- Clear Teams cache completely;

- Check microphone and camera permissions;

- Verify internet speed sufficient (minimum 1.5 Mbps);

- Restart Teams application;

- Try joining via web browser;

- Check firewall and proxy settings;

- Disable VPN temporarily;

- Test audio/video in settings;

- Reinstall Teams if persistent.

OneDrive Sync Issue: Files Not Syncing or Upload Errors

OneDrive problems include sync failures, files not uploading, or synchronization stuck.

- Check OneDrive sync status icon;

- Verify internet connection stable;

- Check storage space not exceeded;

- Pause and resume sync;

- Restart OneDrive application;

- Check file path length under 400 characters;

- Verify file names valid (no special characters);

- Unlink and relink OneDrive account;

- Reset OneDrive completely;

- Check files not locked by other apps.

Word, Excel, or PowerPoint Fault: Documents Not Opening or Crashing

Office application problems include apps crashing, documents not opening, or save failures.

- Update Office to latest version;

- Repair Office installation;

- Open in Safe Mode (hold Ctrl while opening);

- Check document not corrupted;

- Disable add-ins temporarily;

- Clear Office cache;

- Check sufficient RAM and disk space;

- Try opening in Office Online;

- Create new user profile;

- Reinstall Office if persistent.

SharePoint or Document Library Problem: Cannot Access or Upload Files

SharePoint issues include access denied errors, upload failures, or site not loading.

- Check permissions for site or library;

- Verify correct SharePoint URL;

- Clear browser cache completely;

- Try different browser;

- Check file size within limits (100GB max);

- Verify network connection stable;

- Disable browser extensions;

- Check if site quota exceeded;

- Contact site administrator;

- Try SharePoint mobile app.

Calendar or Scheduling Issue: Calendar Not Syncing or Meeting Errors

Calendar problems include events not appearing, sync failures, or meeting invite errors.

- Refresh calendar manually;

- Check calendar sharing permissions;

- Verify time zone settings correct;

- Clear Outlook cache;

- Check calendar in web version;

- Remove and re-add calendar;

- Verify meeting organizer details;

- Check delegates configured correctly;

- Repair Office installation;

- Create new calendar appointment.

Activation or Licensing Problem: Office Not Activated or License Errors

Licensing issues include activation failures, subscription expired messages, or license errors.

- Verify Microsoft 365 subscription active;

- Check account.​microsoft.​com/​services;

- Sign out and back into Office apps;

- Run Office activation troubleshooter;

- Check organization license assigned;

- Remove and re-add account;

- Clear Office licensing tokens;

- Verify correct account signed in;

- Contact IT admin for work accounts;

- Reinstall Office if needed.

Mobile App Fault: Microsoft 365 Apps Crashing on Mobile

Mobile app problems include crashes, sync errors, or features unavailable.

- Update Microsoft 365 apps to latest versions;

- Clear app cache and data;

- Check phone storage space available;

- Restart phone completely;

- Reinstall affected apps;

- Grant all necessary permissions;

- Check internet connection stable;

- Disable battery optimization for apps;

- Check OS compatibility;

- Try accessing via mobile browser.

Search or Discovery Issue: Cannot Find Files or Search Not Working

Search problems include no results, incorrect results, or search indexing errors.

- Wait for search indexing to complete;

- Use advanced search filters;

- Check file location and permissions;

- Clear search cache;

- Verify file actually exists;

- Try searching in different locations;

- Rebuild search index;

- Check if file recently uploaded;

- Try exact file name;

- Use file explorer instead.

Co-Authoring Problem: Cannot Edit Documents Simultaneously

Collaboration issues include co-authoring not working, changes not syncing, or version conflicts.

- Check document stored in OneDrive/SharePoint;

- Verify all users have edit permissions;

- Update Office to latest version;

- Enable AutoSave in document;

- Check internet connection stable;

- Close and reopen document;

- Verify document not checked out;

- Check file format supports co-authoring;

- Disable track changes temporarily;

- Save copy if conflicts persist.

Admin Center Issue: Cannot Access Admin Portal or Management Errors

Admin problems include portal not loading, permission errors, or settings not saving.

- Verify global admin or appropriate role;

- Clear browser cache completely;

- Try different browser;

- Check admin.microsoft.com directly;

- Verify account not locked;

- Disable browser extensions;

- Check service health dashboard;

- Use InPrivate/Incognito mode;

- Check firewall not blocking access;

- Contact Microsoft support.