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.

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.

All Outlook Data Files (.pst) and Offline Data Files (.ost) are listed along with the name of the account the files are associated with. 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.

This article tells you how to add email accounts to the Mail and Calendar apps so you can start sending and receiving email and creating and managing events.

Set up and sync your email and calendar accounts with the Mail and Calendar apps in Windows 10.

Your account is successfully associated with Microsoft 365 or Office when you see the page, My Office Account followed by your Microsoft account email address, and a button to install the apps. Select the PC or Mac tabs above to help you with the rest of the install process.

Get new Outlook. Choose what you’re currently using for your email and calendar to learn how to start using new Outlook. Tip: You can switch back whenever you want, just switch the toggle off in the new Outlook and it will automatically open the classic version. Not sure which version you're currently running, see What version of Outlook do I have?

Having trouble connecting to your email from Outlook on your desktop? Download the Microsoft Support and Recovery Assistant to diagnose and fix errors in your Outlook mail profile that might be causing the issue.

To help protect you and your recipients against computer viruses, Outlook blocks the sending and receiving of certain types of files (such as .exe and certain database files) as attachments. If you need to send one of these file types to an email recipient, we recommend using OneDrive and sending the recipient a link to the file instead.

1. Right-click the Start button, and click Run. 2. Type Outlook.exe /safe, and click OK. Tip: If Windows can't find Outlook.exe /safe, try using the full path to Outlook (for example C:\Program Files\Microsoft Office\OfficeXX, where XX is your version number).