Those are out of reach when Outlook can’t connect live to Microsoft Exchange. Sometimes, updates can also lead to certain issues with the programs installed on Windows OS. Therefore, if there are any pending updates related to MS Office or Outlook, you should check and install them. You can follow these methods to troubleshoot and resolve the Outlook FixTechGuide Outlook repair tutorial stuck in Offline Mode error. These methods work in Outlook 2010, 2013, 2016, and 2019.

Check OST file

• In doing so, you would switch the mapped drive status to "online" and access to the entirety of drive's content would then be possible/granted.
• 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.
• Perfectly repair and recover corrupted Outlook PST & OST files.
• Old versions of Outlook or Microsoft Office often trigger synchronization issues.
• To do this, hit Windows + R, type outlook.exe /safe, and hit Enter.
• However, when Outlook cannot connect to the Exchange server, it automatically switches to Offline mode.

By handling the setup yourself, you make sure Outlook always connects to the right server. If you’re on a company domain, make sure your DNS settings look right. Messed-up DNS can keep Outlook from finding the mail server. Flushing the DNS cache with ipconfig /flushdns sometimes clears up weird issues. Outlook might solve Office 365 mailbox sync delays display an Offline working mode or ‘Disconnected’ if the issue arises with internet connectivity. Outlook could remain in disconnected mode until the connection is back online.

How To Fix Outlook Stuck in Offline Mode?

When you keep everything updated, you cut down on the chances of file corruption. A lot of offline mode headaches actually start with outdated builds and unreliable OST handling. If Outlook refuses to come back online, you’re probably looking at a profile issue, a bad OST file, or a mix-up with your Exchange account setup. Fixing these directly usually brings things back to normal. Confusion happens when a device hooks up to more than one Office 365 environment.

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.

Download Stellar Converter for OST

The intuitive interface of this tool is very smooth and easy to navigate. Furthermore, there is no need to install any of the additional software to use this tool. Moreover, there are many ways to cope up with this issue but using third-party tools would be the best bet. If you going to search to the best OST to PST converter, the Shoviv OST to PST converter stands the best among others. It is an incredible tool that can even convert corrupt OST files to PST that too keeping the data integrity. Are you experiencing the problem of 'Outlook stuck in offline mode' and looking for a comprehensive solution?

Setup Exchange Server Account Manually

Outlook has a Work Offline button under the Send/Receive tab. People hit it by accident all the time, so it’s worth a look. In doing so, you would switch the mapped drive status to "online" and access to the entirety of drive's content would then be possible/granted. If, in any case, you encounter any problems or issues in installing these updates, you must delete and uninstall all the updates and restart Outlook. You may use outdated Office versions, which can lead to further problems.

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, Fix Outlook Not Opening After Windows Update if the issue of offline still present, and OST corruption might be the actual cause.