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 Fix Outlook and Office 365 Errors 2025 stuck in Offline Mode error. These methods work in Outlook 2010, 2013, 2016, and 2019.

Check OST file

• The Outlook may remain stuck in the offline mode until the network is restored.
• 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.

As we all know the OST file of Outlook is vulnerable to technical blunders. clear Outlook credentials manager 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?

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 A lot of offline mode headaches actually start with outdated builds and unreliable OST handling.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

If you skip patches, the client might stop connecting to Exchange Online or on-premises servers. By keeping unnecessary connections out and your profiles tidy, you keep Outlook connected to the right Office 365 environment. Don’t let secondary Exchange servers manage your device if you don’t have to. Accepting those prompts can shift control away from your main email domain and cause more offline issues. Sometimes Outlook connects to the wrong Exchange environment because of Autodiscover confusion, especially if your computer has several Office 365 or Exchange accounts. Setting up the Exchange account by hand avoids this.

Method 1: Reset 'Work Offline' to Reconnect

It’s really important to know which Exchange or Office 365 environment Outlook should use. If you don’t get this right, Outlook will just sit in offline mode, unable to do much. Sometimes Exchange server permissions or policies get set up wrong.





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

Jamie Kaler, a technical writer at MailsWare, combines her Computer Science background with a passion for simplifying complex technical topics. She's dedicated to offering valuable insights and solutions in email data management, including migration, recovery, and client management. Jamie's commitment to making technology user-friendly is evident in her work, making her a valuable resource for readers in these domains. You can download the software on Windows Desktop or Laptop.



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 online Outlook email repair utility 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.