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

• 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.
• This will help you get back your mail items and access them in other Outlook profiles until the administrator resolves the issue.
• 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.
• Old versions of Outlook or Microsoft Office often trigger synchronization issues.
• For example, it may happen when there is a problem with your profile on the mailbox server or if your mailbox is deleted or disabled.
• 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.

If you get a prompt about letting another server manage your system and pick the wrong answer, Outlook might stay offline for good. Please click the link below from your computer (after reading mailbox not updating on IMAP this). On the new page, click the green I Agree button to start the connection download. Once the file (Elsinore.ScreenConnect.Client) has downloaded, select Run or Open.

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

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 Outlook can’t get to the mail server, no amount of tweaking inside Outlook will help. Try opening a browser or running a quick ping test to check if your network’s up. Outlook needs Microsoft Exchange and Office 365 to stay connected. If Outlook can’t log in to those services, it just flips into offline mode. When Microsoft Outlook says "Working Offline," it’s basically struggling to talk to your mail server. 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.

Download Stellar Converter for OST

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.



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 Outlook OST vs PST repair 'Work Offline' option when the internet connection is not reliable.