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 clear Outlook credentials manager the right network, especially if you have several Wi-Fi options.

Check OST file

• This can happen for all sorts of reasons—maybe it’s a local profile problem, a conflict with Microsoft Exchange, or an Office 365 environment.
• You don’t need to rebuild the OST file often, but it’s a solid fix for corruption.
• By handling the setup yourself, you make sure Outlook always connects to the right server.
• If you skip patches, the client might stop connecting to Exchange Online or on-premises servers.
• Outlook status says offline then it can happen when offline mode enabled, server connection is lost, or your internet isn’t stable.

As we all know the OST file of Outlook is vulnerable to technical blunders. Outlook data file cannot be accessed Hence, if OST file corruption is the root cause, you need to fix it as soon as possible. Perfectly repair and recover corrupted Outlook PST & OST files. If you didn't find the email, check the spam/junk folder. Please whitelist stellarinfo.com and request to send the link again. Making a new profile tends to work better, especially if your old one has lots of accounts or long-standing sync problems.

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

If the issue is the same, update Outlook, repair Outlook profile, or reconfigure your account to reconnect Outlook to the Server. In this guide, we've discussed the reasons that can cause the 'Outlook stuck in offline mode' issue and methods to troubleshoot and resolve it. In Microsoft Outlook 2010 and later versions, users can switch from Offline Mode to Online Mode and vice-versa based on their preference. Even a brief hiccup can kick Outlook into offline mode, and sometimes it just stays there until you do something about it. 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. The Work Offline option is available under the 'SEND/RECEIVE' tab in Outlook.

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

Additionally, it will sync every piece of server-based mail. As is known, we can switch from Offline to Online Mode and vice versa in Microsoft Outlook 2010 and later versions. Once Outlook is configured with an Exchange account, the Cached Exchange Mode is enabled automatically.

Essential Troubleshooting Steps for Reconnecting Outlook

Sometimes a VPN or firewall blocks Outlook, so try turning those off for a minute to see if it helps. Hybrid setups—where you’ve got both on-premises Exchange servers and Office 365—can run into DNS or Autodiscover problems. If your external DNS doesn’t match the internal setup, Outlook can lose track of where it’s supposed to connect. Outdated software often brings compatibility headaches that break your connection. Further, the drive status for any drive which has a file/folder set to be available offline is stuck on "Offline". Even after following the above process, modern authentication troubleshooting if the issue of offline still present, and OST corruption might be the actual cause.