Turn on/off Cached Exchange Mode

Turn Cached Exchange Mode on or off

1. Click File > Account Settings > Account Settings.

   

2. Click the Exchange or Microsoft 365, and then click Change.

   

3. Under Offline Settings, uncheck Use Cached Exchange Mode.

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4. Exit, and then restart Outlook.

5. If you want to turn on Cached Exchange Mode, repeat the steps, but check Use Cached Exchange Mode.