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

Check OST file

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• And thus, an Offline Storage Table (OST) file is created to save a local synchronized copy of mailbox items.
• However, Outlook may fail to recreate the OST file if it can't connect to the server or your mailbox on the server.
• Shoviv OST to PST converter is a specialized tool that is designed and developed to convert the OST file to the PST format.
• All the modifications are stored locally in the OST data file before syncing with the mailbox server.
• A corrupt or damaged Outlook profile can prevent Outlook from authorizing and connecting to the mail server.
• When you keep everything updated, you cut down on the chances of file corruption.

When offline, the status is displayed in the status FixTechGuide Office 365 troubleshooting 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?

Move it to a backup folder, like Desktop\OST Backup. Every business setup is different, and sometimes these problems run deeper than a quick fix. Our organization requires several folders from our mapped network drives be set to "Always Available Offline". Create your account and connect with a world of communities. There could be several reasons for your Outlook disconnect.

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

The Work Offline option is selected on Outlook's Send/Receive tab. First, check to see if the Connected status is displayed or not. If it is not displayed, double-check your internet connection and re-examine it. To resolve the Outlook stuck offline working issue, click "Work offline" to reset and reconnect the Exchange server.





A broken Outlook profile can mess up syncing and keep you offline. We usually suggest making a new profile instead of spending ages trying to fix the old one. From the file explorer ribbon, under the 'Easy Access' drop down menu, you could toggle from "offline" to "online".

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

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 rebuild Outlook data file quickly 'Work Offline' option when the internet connection is not reliable.