📨 Mac - Outlook Troubleshooting

If Microsoft Outlook is crashing, not opening, or behaving incorrectly on your Mac, follow these troubleshooting steps.

Basic & Software Updates

1. Restart Your Mac:
   • Close all Office apps.
   • Click the Apple menu () $\rightarrow$ Restart.
   • Try reopening Outlook after the reboot.
2. Check for Office Updates:
   • Keeping Office updated fixes bugs and improves performance.
   • How to Update:
     1. Open any Office app (Word, Excel, etc.).
     2. Click Help in the top menu bar.
     3. Select Check for Updates (opens Microsoft AutoUpdate).
     4. Click Update All if updates are available.
   • If AutoUpdate isn’t working, download the latest version from the Microsoft Office website.
3. Check for macOS Updates:
   • Some Outlook issues occur due to macOS incompatibility.
   • How to Update macOS:
     1. Click the Apple menu () $\rightarrow$ System Settings $\rightarrow$ General $\rightarrow$ Software Update.
     2. Install any available updates and restart your Mac after updating.

Specific Outlook & Advanced Fixes

1. Run Office in Safe Mode (For Crashes):
   • Safe Mode disables extensions and may help diagnose crashes.
   • How to Open: Hold down the Option ($\text{⌥}$) key while opening Outlook or another Office app.
   • If Outlook works in Safe Mode, an add-in or corrupted preference file may be the cause.
2. Fix Outlook-Specific Issues:
   • Syncing/Sending Emails: Open Outlook $\rightarrow$ Preferences $\rightarrow$ Accounts and verify your email settings. Remove and re-add your account if emails won’t sync.
   • Rebuild Outlook Database (For Corruption):
     1. Close Outlook.
     2. Hold the Option ($\text{⌥}$) key and reopen Outlook.
     3. Click Rebuild when prompted.
3. Repair Microsoft Office:
   • If Office apps are corrupted or missing files, this may help.
   • How to Repair:
     1. Open Finder $\rightarrow$ Applications.
     2. Find Microsoft Outlook.
     3. Hold Command ($\text{⌘}$) + Option ($\text{⌥}$) while clicking on the app.
     4. Select Run in Repair Mode (if available).
   • If no repair option appears, proceed to reinstall Office.

Last Resort: Reinstallation

1. Reinstall Microsoft Office (If Issues Persist):
   • How to Uninstall Office:
     1. Close all Office apps.
     2. Open Finder $\rightarrow$ Applications.
     3. Move the Microsoft Office folder (or individual apps) to the Trash and Empty the Trash.
     4. Restart your Mac.
   • How to Reinstall Office:
     1. Go to the Microsoft 365 website.
     2. Sign in with your Microsoft account.
     3. Download and install Office.