To do this, hit Windows + R, type outlook.exe /safe, and hit Enter. If it connects in Safe Mode, one of your add-ins is probably the culprit. Closing Outlook and reopening it helps clear up minor glitches. Try launching Outlook in Safe Mode to check if add-ins are causing trouble. Double-check that you’re on guide to Office 365 sign-in errors the right network, especially if you have several Wi-Fi options.

Check OST file

• The Outlook may remain stuck in the offline mode until the network is restored.
• That can confuse Outlook, especially with Autodiscover, and you end up stuck offline.
• In such cases, you can recreate the OST file or use the Stellar Converter for OST software to convert the problematic OST file to Outlook importable PST format.
• Furthermore, there is no need to install any of the additional software to use this tool.
• Outlook Safe Mode can help troubleshoot and fix the Outlook stuck in offline mode issue as it prevents any add-in from interfering with the normal Outlook operations.
• You can also send us your queries in the comment section, and we'll revert back as soon as possible.
• This indicates that the internet is working fine, but Outlook cannot connect to the mailbox server.
• Jamie Kaler, a technical writer at MailsWare, combines her Computer Science background with a passion for simplifying complex technical topics.

When offline, the status is displayed in the status solve Office 365 mailbox sync delays bar at the bottom as Working Offline or Disconnected. Just having a simple update routine and checking build numbers from time to time can save a lot of trouble. Staying current with updates is probably the easiest way to keep Outlook connected.

How To Fix Outlook Stuck in Offline Mode?

If you have to keep multiple accounts on one device, set up separate Outlook profiles for each one. Each profile should only connect to its own Office 365 tenant. This helps avoid cross-environment prompts that mess with your connection.

Verify Work Offline Button Status

Click the 'Work Offline' option to reset work offline mode and reconnect to the Exchange or mailbox server. To go online, open Outlook and navigate to Send/Receive and uncheck work offline. Ensure your connection is active and Outlook can access the mail server without connectivity. In such cases, you can recreate the OST file or use the Stellar Converter for OST software to convert the problematic OST file to Outlook importable PST format.

Method 1: Reset 'Work Offline' to Reconnect

If you set up your Outlook profile wrong, it might not log in to Microsoft Exchange or Office 365. Sometimes, people connect their system to several Office 365 environments without realizing it. That can confuse Outlook, especially with Autodiscover, and you end up stuck offline. Reconnect Outlook by checking your connection, disable work offline mode, and relaunch app.





Autodiscover might send Outlook to the wrong Exchange server, so you can’t get to your mailbox. Damaged Outlook data files, like the OST file, can also get in the way. When these files go bad, Outlook can’t talk to the Exchange server, so it just gives up and goes offline. Now, on your keyboard, press the Send/Receive button. Old versions of Outlook or Microsoft Office often trigger synchronization issues.

Setup Exchange Server Account Manually

Given below are just a few examples of possible reasons. Select Work Offline from the Send/Receive tab in Outlook to reconnect. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.

Essential Troubleshooting Steps for Reconnecting Outlook

However, when Outlook cannot connect to the Exchange server, it automatically switches to Offline mode. All the modifications are stored locally in the OST data file before syncing with connection status shows disconnected the mailbox server. Users can also utilize the 'Work Offline' option when there is an unreliable internet connection. When the problem is with the internet connection, Outlook may display Working Offline or Disconnected status. The Outlook may remain stuck in the offline mode until the network is restored. Profile or configuration mistakes cause trouble too.