If you are dealing with a broken Outlook, then it doesn’t always mean you need to call tech support or start over from scratch. With the right steps, you can repair Outlook manually and get back to work in no time. You should start with the easy fixes, like repairing Office or turning off add-ins.

ScanPST mostly validates and corrects errors in the internal data structures of a .pst file. Therefore, structures such as BTrees and reference counts, are checked and repaired as necessary. These low-level objects have no knowledge of the upper-level structures, such as messages, calendar items, and so on, that are built upon them. If you cannot import the Newname.pst file into Outlook, unfortunately you have lost all the information site that is not in the Lost and Found folder. After you run the Inbox Repair tool, you can start Outlook and recover repaired items. Optionally, you can try to recover additional repaired items from the backup personal folder.

Use the classic Outlook for Windows connectivity troubleshooter to troubleshoot Outlook connectivity issues. If your mailbox is full, we won't be able to reply to your request. Check that you have not site accidentally blocked the Gmail domain when blocking one Gmail user. We will update this article as soon as we have more information on a fix.

Use Tasks to create, manage, and track things you want to get done. You can learn more about the new and classic tasks in Outlook.com by going to Use To Do App to manage tasks in Outlook. Add a contact to your Favorites by selecting a contact in the list, and then selecting site Add to favorites. Each message also has a mini toolbar when you open the message in a new window.

Use Tasks to create, manage, and track things you want to get done. You can learn more about the new and classic tasks in Outlook.com by going to Use To Do App to manage tasks in Outlook. Contact someone directly by selecting Start chat or Send email.

We will ensure that all information is retained and only contacts with matching information in all fields will be cleaned up. To check if you have received the fix, review your contact list to confirm site duplicates have been removed. This issue has been mitigated and we are continuing to monitor the issue to ensure stability.

After reinstalling, now it freezes constantly, even when not in use. Roughly every 5 seconds, the window freezes, grays out, and gives a "not responding" message--just as before. But it happens constantly without me even doing anything in Outlook now. Outlook works best when it's up site to date. We recommend setting Windows Update to automatically download and install recommended updates.

If you decide you don't want the calendar you created, right-click the calendar and select Remove. Each message also has a mini toolbar when you open the message in a new window. For each message, you can delete it, mark it as unread, flag the message, or pin it to keep it at the top of your folder. To show or hide the Folders list, select Show or Hide the navigation pane. Find solutions to common problems or get help from a support agent.

Solutions to Troubleshoot 'Out of Memory or System Resources' ErrorCheck Resource Usage. ...Restart and Update Outlook. ...Optimize System Resources for Outlook. ...Find and Remove Faulty Add-ins from Outlook. ...Increase the Size of the Memory Heap. ...Rebuild the OST File.Apr 7, 2025

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. Select More to see additional actions—for example, an option to print a message.

Sometimes, the issue may be because a file that you are trying to open has been infected with a virus and your antivirus program has been unable to remove it. Using all the above methods, users can fix Outlook Not Responding issues. Sometimes, there might be a high chance that the PST file may be corrupted. In that case, users want to go with a secure way to repair their corrupt or damaged PST files.

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.

For each message, you can delete it, mark it as unread, flag the message, or pin it to keep it at the top of your folder. To find the item with the attachment, scan the list of items in the thread. To change your Mail settings so your inbox looks and behaves the way you want it to, see Personalize your new Mail experience in Outlook.com. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. If you can't open Outlook, or Outlook disappears or crashes, one of your add-ins may be to blame or you may need to update Outlook. For contacts, you can select Filter in the upper right to select what to display in the list and how to sort.