If your external DNS doesn’t match the internal setup, Outlook can lose track of where it’s supposed to connect. You may use outdated Office versions, which can lead to further problems. If any updates to Outlook or MS Office are pending, get them installed as soon as possible. Perfectly repair and recover corrupted Outlook PST & OST files.

How to Fix Outlook Stuck in Offline Mode Issue? Simple Methods

As is known, we can switch from Offline to Online Exchange connectivity diagnostic 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. And thus, an Offline Storage Table (OST) file is created to save a local synchronized copy of mailbox items. You can't send or receive email until you reconnect.

My windows live mail is stuck in the work offline mode. I cannot send or receive emails using wlm. I can access my

All the modifications are stored locally in the OST data file before syncing with the mailbox server. Users can also utilize the 'Work Offline' option resolve Outlook not sending emails fast when there is an unreliable internet connection. How do you know when you're working offline or online in Outlook? There are visual cues, starting with the status bar at the bottom of your Outlook window. If either of the following status indicators are shown, it means Outlook isn't connected to your mail server. Profile or configuration mistakes cause trouble too.

Create or Repair Outlook Profile

If you're running in a virtual desktop environment, we recommend you only synchronize one month of data. If you try to do something that's not available offline, you'll get an error message, or the changes you made will revert back to what was previously saved. It’s a good idea to turn on automatic updates in Microsoft 365 Apps for enterprise.

• I get connected, navigate to Send/Receive...and click it.
• 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.
• To eliminate the possibility that there's a fault in your current Outlook profile, create a new profile.
• However, when Outlook cannot connect to the Exchange server, it automatically switches to Offline mode.
• Outlook needs Microsoft Exchange and Office 365 to stay connected.
• Confusion happens when a device hooks up to more than one Office 365 environment.
• When you're back online, new Outlook for Windows automatically updates the items that were saved to your device.

Setup Exchange Server Account Manually

Welcome to Tales From Tech Support, the subreddit where we post stories about helping someone with a tech issue. Move it to a backup folder, like Desktop\OST Backup. There could be several reasons for your Outlook disconnect.

Role of Exchange Server and Office 365

Confusion happens when a device hooks up to more than one Office 365 environment. Autodiscover might send Outlook to the wrong Exchange server, so you can’t get to your mailbox. Now, on your keyboard, press the Send/Receive button. It should be switched from offline to online mode.





Don’t let secondary Exchange servers manage your device if you don’t have to. Accepting repair PST file without data loss those prompts can shift control away from your main email domain and cause more offline issues. 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. The biggest problems usually involve too many Office 365 connections or outdated Microsoft Office components.

Making a new profile tends to work better, especially if your old one has lots of accounts or long-standing sync problems. If Outlook says Working Offline and won’t budge, you’re probably dealing with a network glitch, a bad setting, or a profile error. Tackling these one by one usually gets things back on track. Hybrid setups—where you’ve got both on-premises Exchange servers and Office 365—can run into DNS or Autodiscover problems.

Recreate OST File

When Outlook switches between working online and offline in classic Outlook, all email accounts are changed. Your offline settings determine which items are saved to your device and for how long. To set these, see the section below Update offline settings. When you're back online, new Outlook for Windows automatically updates the items that were saved to your device.