The Inbox repair tool can resolve problems by scanning your Outlook data files, and repairing errors. To use the Inbox repair tool, exit Outlook, and then follow the steps in Repair Outlook Data Files (.pst and .ost). In the first place, check whether your antivirus is up-to-date. Reliable and trusted antivirus software vendors do care about compatibility with Microsoft Office applications, so there is a good chance that the issue is fixed in their latest update. If the above does not help, turn off the antivirus and see if it brings Outlook back to life.
You can follow the tips listed below to repair Outlook data file errors. If you have email messages in an email program, you must import your email messages and addresses to the new user profile before you delete the old profile. If everything is working correctly, you can now delete the old profile.
Then switch to the Processes tab and find all OUTLOOK.EXE items in the list. Click on each OUTLOOK.EXE to select it and hit the "End Process" button. Many Official Fix Outlook guide users experience the same confusion by asking themselves, "Why is my browser so slow?
If creating a new profile solves your issue, you can return to the Show Profiles dialog and delete your old profile. If installing the latest updates didn't resolve your issue, move on to the next step. If your antivirus software isn't up-to-date, Outlook may not function correctly. Start the tool and proceed to the email repair section and add files. Start Registry Editor by Pressing the Windows Key+R to open a Run dialog box. Select such processes and hit the "End Task" button one at a time.
When you add someone as Official Fix Outlook guide a favorite in People, they'll also show up under Favorites in Mail, and the other way around, provided that the contact has an email address. Use the People page to find, view, create, and edit contacts and contact lists. To learn more about managing contacts in Outlook.com, go to Create, view, and edit contacts and contact lists in Outlook.com. When you select a specific day in the calendar, any appointment or event scheduled for that day is listed in this area. You also can select a day or time slot and create a new appointment or event.
Make sure that the latest updates for Outlook are installed. For more information, see How to install the latest applicable updates for Microsoft Outlook (US English only). Many of these items can be automatically checked by the Classic Outlook Advanced Diagnostics troubleshooter.
This efficiently fixes the "Outlook freezes when sending email" error. Repairing your Office programs can resolve issues with Outlook not responding or freezing. Errors in Microsoft 365 files are repaired automatically. At Insight IT, we use tools like Official Fix Outlook guide Outlook advanced diagnostics, Microsoft Support and Recovery Assistant, and deep knowledge of classic outlook advanced to resolve issues with Outlook. Corrupted or broken files in Microsoft Office or Microsoft 365 can cause serious performance issues. Use the repair your office option in Control Panel to get back on track.
Currently, you can't use Outlook on Windows to edit calendars that are shared with your Outlook.com account, even if you've reconnected your Outlook.com account to Outlook. We're working to make it possible to edit shared calendars in Outlook 2016 for Windows. If you manually type in the secondary connected account email address in the "From" field, the email is sent as "On behalf of" your primary Outlook.com account. You can use Official Fix Outlook guide Microsoft Support and Recovery Assistant to diagnose both Calendar and Mail issues that affect Outlook. To download and install the Assistant, see About Microsoft Support and Recovery Assistant. In some cases, an Outlook messaging profile may be misconfigured.
If you don't choose an option on that dialog box, Outlook won't let you do anything else. Pressing Alt+Tab will help you switch from window to window and help you see what dialog boxes might be stopping Outlook from responding. If Outlook isn't stuck at a screen that says "Processing," or this didn't resolve your issue, continue to the steps below. There are a number of possible reasons for Outlook to behave this way. We've presented the potential solutions in order from quickest to most time consuming.
To get help and troubleshoot other Microsoft products and services, enter your problem here. To get support in Outlook.com, click here or select Help on the menu bar and enter your Official Fix Outlook guide query. If the self-help doesn't solve your problem, scroll down to Still need help?
After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will still work, Official Fix Outlook guide but we recommend moving to Windows 11.
If your antivirus software includes integration with Outlook, you may experience performance issues. You can disable all Outlook integration within the antivirus software. Or, you can disable any antivirus software add-ins that are installed in Outlook.
You can follow the tips listed below to repair Outlook data file errors. If you have email messages in an email program, you must import your email messages and addresses to the new user profile before you delete the old profile. If everything is working correctly, you can now delete the old profile.
Then switch to the Processes tab and find all OUTLOOK.EXE items in the list. Click on each OUTLOOK.EXE to select it and hit the "End Process" button. Many Official Fix Outlook guide users experience the same confusion by asking themselves, "Why is my browser so slow?
If creating a new profile solves your issue, you can return to the Show Profiles dialog and delete your old profile. If installing the latest updates didn't resolve your issue, move on to the next step. If your antivirus software isn't up-to-date, Outlook may not function correctly. Start the tool and proceed to the email repair section and add files. Start Registry Editor by Pressing the Windows Key+R to open a Run dialog box. Select such processes and hit the "End Task" button one at a time.
When you add someone as Official Fix Outlook guide a favorite in People, they'll also show up under Favorites in Mail, and the other way around, provided that the contact has an email address. Use the People page to find, view, create, and edit contacts and contact lists. To learn more about managing contacts in Outlook.com, go to Create, view, and edit contacts and contact lists in Outlook.com. When you select a specific day in the calendar, any appointment or event scheduled for that day is listed in this area. You also can select a day or time slot and create a new appointment or event.
Make sure that the latest updates for Outlook are installed. For more information, see How to install the latest applicable updates for Microsoft Outlook (US English only). Many of these items can be automatically checked by the Classic Outlook Advanced Diagnostics troubleshooter.
This efficiently fixes the "Outlook freezes when sending email" error. Repairing your Office programs can resolve issues with Outlook not responding or freezing. Errors in Microsoft 365 files are repaired automatically. At Insight IT, we use tools like Official Fix Outlook guide Outlook advanced diagnostics, Microsoft Support and Recovery Assistant, and deep knowledge of classic outlook advanced to resolve issues with Outlook. Corrupted or broken files in Microsoft Office or Microsoft 365 can cause serious performance issues. Use the repair your office option in Control Panel to get back on track.
Currently, you can't use Outlook on Windows to edit calendars that are shared with your Outlook.com account, even if you've reconnected your Outlook.com account to Outlook. We're working to make it possible to edit shared calendars in Outlook 2016 for Windows. If you manually type in the secondary connected account email address in the "From" field, the email is sent as "On behalf of" your primary Outlook.com account. You can use Official Fix Outlook guide Microsoft Support and Recovery Assistant to diagnose both Calendar and Mail issues that affect Outlook. To download and install the Assistant, see About Microsoft Support and Recovery Assistant. In some cases, an Outlook messaging profile may be misconfigured.
If you don't choose an option on that dialog box, Outlook won't let you do anything else. Pressing Alt+Tab will help you switch from window to window and help you see what dialog boxes might be stopping Outlook from responding. If Outlook isn't stuck at a screen that says "Processing," or this didn't resolve your issue, continue to the steps below. There are a number of possible reasons for Outlook to behave this way. We've presented the potential solutions in order from quickest to most time consuming.
To get help and troubleshoot other Microsoft products and services, enter your problem here. To get support in Outlook.com, click here or select Help on the menu bar and enter your Official Fix Outlook guide query. If the self-help doesn't solve your problem, scroll down to Still need help?
After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will still work, Official Fix Outlook guide but we recommend moving to Windows 11.
If your antivirus software includes integration with Outlook, you may experience performance issues. You can disable all Outlook integration within the antivirus software. Or, you can disable any antivirus software add-ins that are installed in Outlook.
