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 Outlook Stuck on Synchronizing Folders 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 keeps Outlook from getting confused and stuck offline.
• 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.
• Jamie Kaler, a technical writer at MailsWare, combines her Computer Science background with a passion for simplifying complex technical topics.

As we all know the OST file of Outlook is vulnerable to technical blunders. flush DNS and re-sync Outlook 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?

The biggest problems usually involve too many Office 365 connections or outdated Microsoft Office components. If Outlook asks if another Exchange server can manage your system, hit No unless it’s your main domain. That keeps Outlook from getting confused and stuck offline.

Verify Work Offline Button Status

And thus, an Offline Storage Table (OST) file is created to save a local synchronized copy of mailbox items. When the mail server is not available due to maintenance tasks or other issues, Outlook may fail to connect to the server and display the status as Disconnected. This indicates that the internet is working fine, but Outlook cannot connect to the mailbox server. If your system connects to more than one Office 365 environment, Outlook might not know which Exchange server to use. That often sets off Autodiscover conflicts and lands you in offline mode. To keep Outlook from slipping into offline mode again, sort out account conflicts and keep your software up to date.

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.

Download Stellar Converter for OST

We have explained all the essential methods to fix the Outlook stuck in offline mode error. If the issue is not resolved manually, we recommend using the suggested software to recover Outlook files and continue using Outlook without any interruptions. If these manual approaches do not work then it may happen due to damaged Outlook files.

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.



Identify the cause of this error before restoring Outlook back to online mode. A corrupt or damaged Outlook profile can prevent Outlook from authorizing and connecting to the mail server. Due to this, we get an error usually called Outlook stuck in offline mode. Outlook automatically switches to Offline mode when it can't connect to the Exchange server. Users can also use the Fix Outlook Not Opening After Windows Update 'Work Offline' option when the internet connection is not reliable.