Use the Microsoft 365 setup troubleshooter to install Microsoft 365, Office 2021, Office 2019, or Office 2016 on your Windows PC. This option could be useful if you constantly have to wait for Outlook to rebuild its data file when you restart. 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. If you can't receive new email messages, there are several troubleshooting steps you can take. If you've successfully sent and received email from classic Outlook before, and now Outlook repeatedly asks you to reenter your password, one of two things may have happened.

By doing this, you’ll only see the tasks that you still need to finish. It can make your tasks list respond faster because it won’t show the tasks you’ve already completed, making it easier for you to focus on what’s left to do. To get support in Outlook.com, click here or select Help on the menu bar and enter email issues repair guide your query.

Should you decide to remove a profile, back up the data files first. All offline cached content will be deleted when you choose Remove. For more information, see Introduction to email issues repair guide Outlook Data Files (.pst and .ost). A corrupted profile, a damaged PST file, faulty add-ins, or improper Outlook startup settings often cause this issue.

Occasionally, classic Outlook tries to run a process in the background. Auto-archive, sending and receiving a very large attachment, or running some of the other mailbox tools can all be done in the background. Check the status bar at the bottom of the screen to see if another process is running.

Once you’ve used this app, launch your Outlook app, and it should work as expected. For Outlook not opening problems, you can use Kernel Outlook PST Repair to fix the corrupt PST file and import it to restore mailbox items. This innovative Outlook PST recovery software repairs large PST files without compromising their integrity. It is is an advanced tool that gives you the ability to fix all major errors in your Outlook data files. Besides, it allows you to save the repaired PST file in multiple formats, like HTML, RTF, PST, etc, and even to the cloud, Microsoft 365 destination. If your Outlook version is outdated, that may be why you can’t open it.

The good news is that most "Outlook won’t open" errors can be resolved with a few proven troubleshooting steps. When you install Office, an Inbox Repair Tool (SCANSPST.EXE) is also installed on your PC. The Inbox Repair Tool can resolve issues by scanning your Outlook data files and repairing errors.

We have multiple tools to help you automatically diagnose an issue, troubleshoot, and fix problems with Outlook. TrustedTech is dedicated to being a reliable resource for all software and technology support needs. Our relationship to the Microsoft Partner Network allows us to provide competitive pricing and authentic software and support, all with a much-needed human element. Use the MIcrosoft 365 inventory scan troubleshooter to generate either a normal or full scan report of your computer and installed Microsoft 365 applications. Use the Microsoft 365 sign-in troubleshooter to help resolve sign-in issues encountered with Microsoft 365.

If you have Outlook in your startup folder, remove the shortcut from the startup folder. To learn more about how to share your feedback, see How do I give feedback on Microsoft Office. Some users may not be able to empty their Deleted Items folder. While we fix the problem, email issues repair guide you can send the file as a OneDrive link. We have multiple tools to help you automatically diagnose an issue, troubleshoot, and fix problems with Outlook.

Here, we list fixes for the possible causes, starting with the most likely culprit. Go in order so you have best chance of getting back to your inbox as quickly as possible. Occasionally, classic Outlook tries to run a process in the background. Auto-archive, sending and receiving a very large attachment, or running some of the other mailbox tools can all be done in the background. Check the status bar at the bottom of the screen to see if another process is running. If so, wait a short time (usually two or three minutes) to see if Outlook starts working again.

A damaged or corrupted Outlook user profile is a common reason for "Outlook won’t open" errors. Creating a fresh profile can provide a clean slate for Outlook to start. Outlook stores all your email messages, meetings and events, contacts, and tasks in data files. You can run the Inbox Repair Tool (scanpst.exe) to scan your Outlook data files and repair errors.

If you used the workaround below you can now switch from using an Outlook.com alias to your country's domain. Then, each item in your calendar folder is checked for known problems that can cause unexpected behavior, such as meetings that email issues repair guide seem to be missing. There is currently no option to revert to the prior behavior, but we would love to hear your feedback to help us with future designs.