On the Outlook status bar, if you get Disconnected, Working Offline, or Trying to connect…, then Outlook can't reach the email server to send your mail. To fix this problem, on the ribbon, select the Send/Receive tab, then, in the Preferences group, select Work Offline to toggle between offline mode and online mode.

If after setting up Outlook you run into trouble sending or receiving email, the cause could be a licensing issue, a profile problem, the wrong version of Outlook, or a mixture of other issues. Fortunately, there are several Microsoft Outlook troubleshooters that can be used to try and fix the problem.

Learn how to fix Outlook.com email sync issues if you can't receive or send messages.

My classic Outlook doesn't look like any of these pictures There are multiple ways for you to send and receive email, and multiple versions of Outlook available. If the images in these topics don't match what you see on your screen, you might be using a different version of Outlook. See What version of Outlook do I have? for more information.

Therefore, you may have to leave Outlook running overnight to determine whether performance issues are related to the building of your search indexes. Performance issues may increase when Outlook is running in Online mode. Such performance issues occur because running Outlook in Online mode increases the load on the Exchange server.

To release an email stuck in your Drafts or Outbox folder, select one of the sections below. Email stuck in Outlook Fix messages that are stuck in the Outbox When a message gets stuck in your Outbox, the most likely cause is a large attachment. Click Send/Receive > Work Offline. In the Navigation Pane, click Outbox. From here, you can: Delete the message. Just select it and press Delete. Drag ...

What are the IT admin tips? Tips for send/receive issues in Outlook.com. Provide a quick guide to Sender Support in Outlook.com.

How do I start classic Outlook in safe mode? How do I disable add-ins that cause Outlook to hang? Quick guide for Outlook for Windows not responding. If you are having problems with new or classic Outlook for Windows not responding, hangs, freezes, or stops working, there are a few things we can help with to get you back to using Outlook.

Get Copilot's help with Outlook for Windows issues. We have multiple tools to help you automatically diagnose an issue, troubleshoot, and fix problems with Outlook. Classic Outlook troubleshooters Note Classic Outlook troubleshooters are not applicable to new Outlook for Windows. Check to see if the new Outlook toggle is turned on or off.

Get Copilot's help fixing my Outlook email connection. Having trouble connecting to your email from Outlook on your desktop? Follow these steps to let Outlook diagnose and fix errors in your Outlook mail profile that might be causing the issue. Repair a profile in Outlook In Outlook, choose File. Choose Account Settings > Account Settings.