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.

There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled. You can try to repair a program first, if it's just not running correctly.

If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs. It also fixes corrupted registry keys. First, you'll need to download the troubleshooter.

If you are having problems with Outlook, there are a few things we can help with to get you back to sending and receiving your email. Important: Steps may be different between new and classic Outlook for Windows. To determine which version of Outlook you're using, look for File on the ribbon.

If you cannot open your Outlook data file or suspect that the file is damaged, use the Inbox Repair tool (scanpst.exe) to repair errors in the file.

Outlook Known issues in September 2024 updates. [WORKAROUND] New Outlook users unexpectedly see the “Welcome to Outlook 2016" setup wizard. [INVESTIGATING] Hovering over a hyperlink in an email may not display embedded URL in a pop-up tooltip in new Outlook.

Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

Outlook Data Files (.ost) are used when you have an Exchange account and want to work offline or use or use the default Cached Exchange Mode. This type of data file is also used for accounts that you set up with the Outlook Connector for Outlook.com (formerly Hotmail).

Copilot is available in the Home tab of Word, Excel, PowerPoint, and Outlook on the web if you are a Copilot subscriber. If you also have a Microsoft 365 subscription that includes the Microsoft 365 desktop apps then you should find Copilot available in those apps as well.