Sometimes, Outlook might not work if other Office-related processes are still running. You can end all office-related processes in task manager to ensure a fresh start. Begin by creating a brand-new profile for Outlook and set it up with a POP email account. If it opens successfully, the problem isn’t with Outlook but with the PST file from your previous account, which can be damaged. You must have at least three user accounts on the computer to complete these steps. If your antivirus software isn't up-to-date, Outlook may not function correctly.

Follow the on-screen instructions to update your Office apps. Then, launch your Outlook app, and it should open without problems. If your PC has a virus or malware infection, that may be why Outlook isn’t launching. In this case, run a full virus check on your PC to find and remove any threats.

Below, you will see some of the most common issues that users run into, and what the most efficient way to troubleshoot Outlook is.Running Out of Mailbox Space. ...Outlook Crashes or Freezes on Opening. ...Recovering Deleted Items. ...Search Is Not Working. ...View Settings.

You can read about it and then run the Microsoft Support and Recovery Assistant to see if that helps. It can automatically diagnose issues, troubleshoot, and fix problems with Outlook. A more general version that can also fix Office, Microsoft 365, and other Outlook problems can be found here.

Once you've changed your password with your email provider, you can update the password in Outlook. See Change or update your email password for more information. 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. If you're trying to set up an iCloud account, follow the website steps in Add or manage an iCloud email account in Outlook. For Gmail accounts, see Add a Gmail account to Outlook. This option could be useful if you constantly have to wait for Outlook to rebuild its data file when you restart.

If you need to increase the number of this limit try the next resolution. Step 1 - The hard limit of recipients for a single email message is 300. Reduce the number of recipients for a single email to less than 300.

Open your Outlook (2019, 2016, 2013, 2010) account in safe mode. If it works fine, then Outlook PST error can be fixed easily. Or else you need a perfect solution to resolve Microsoft Outlook error message without data loss. In case, these above-discussed techniques do not work, you still face Microsoft Outlook issues. Also, if you do not know the exact reasons for the error and want to resolve them.

These files can be repaired through an inbuilt program in the Outlook installation directory. If everything is working correctly, you can now delete the old profile. When you face issues related to the Outlook profile stuck on loading, there might be some hardware issues. So, make sure you turn off the hardware acceleration option in Outlook. To create a user profile, you must first create a user account.

If the network is performing slowly, Outlook must wait for read and write operations to the AppData directory to finish. We recommend that you move several items in your larger folders to separate folders, or that you archive those items by using the AutoArchive feature. Make sure that the latest updates for Outlook are installed. For more information, see How website to install the latest applicable updates for Microsoft Outlook (US English only). For more information, see Support for Office 2016 and 2019 clients connecting to Microsoft 365 services has ended. Running the /resetnavpane command removes all customizations to the navigation pane.

In addition to smart repair and website recovery, the tool allows users to save mailbox items to various destinations like Exchange, Office 365, Gmail, etc. If none of the above methods fixes the ‘Outlook not responding’ problem, then there are chances that the Outlook PST in your Outlook profile is corrupt. In such scenarios, you need to repair the corrupt PST files. Check if the Outlook Will Not Open in Windows 10 error is now gone, by launching Outlook 2016. After you delete the Outlook App Data folder, we suggest you restart your system first and then, open Outlook. When the resetnavpane command is executed, what it does is it resets and removes all the customizations related to the navigation pane.

At the top of the message list, you can choose how you want to view the list. See Working with message folders in Outlook.com to learn more about available folders. This website article describes how to set up multi-factor authentication (MFA) for Office 365 users.

Below, you will see some of the most common issues that users run into, and what the most efficient way to troubleshoot Outlook is.Running Out of Mailbox Space. ...Outlook Crashes or Freezes on Opening. ...Recovering Deleted Items. ...Search Is Not Working. ...View Settings.