The "Outlook is Running Slow" message can make you wonder why it’s not working well. But when we look into why this happens, we find various reasons that together make Outlook slow. We love reading your suggestions on new features and feedback about how you use our products! To learn more about how to share your feedback, see How do I give feedback on Microsoft Office. 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.

Whether you are a Microsoft Outlook, Exchange or Outlook Fix Blog Office 365 user, you may come across or encounter the PST files. These Outlook data (PST) files store user’s data, including email messages, calendars, tasks, journals, etc. However, if the SCANPST or Inbox Repair tool fails to repair the PST file, remember to use an advanced Outlook PST repair tool, such as Stellar Repair for Outlook. It can repair corrupt, inaccessible, or encrypted PST files of any size, with complete integrity. Remember that the backup file was the original corrupted file, and you may find that you cannot recover anything other than what was recovered in the Lost and Found folder. If you cannot import the Newname.pst file into Outlook, unfortunately you have lost all the information that is not in the Lost and Found folder.

If you could not open your original Personal Folders (.pst) file before you ran Inbox Repair Tool, the following procedures may not work. If it does not work, then unfortunately, you will be unable to recover any additional information. If you could open the file, the following procedure may help you recover additional items from your damaged Personal Folders (.pst) file. Follow these steps to repair your Outlook personal folder file (.pst) by using Inbox Repair tool. Then, you can move the recovered items to your new Personal Folders (.pst) file. To start the Inbox Repair tool manually, locate one of the folders by using Microsoft Windows Explorer, and then double-click the Scanpst.exe file.

Although it's not possible at the moment to turn the feature off entirely, you can choose to remove it from your favorites list by right clicking the folder and selecting Remove from Favorites. To help you get rid of these duplicates, we have released a fix which will automatically clean up your contact list. This fix will clean up duplicate contacts for end users starting August 9, 2023. Rollout of the fix to all users will take few weeks, so, some users may see the fix applied by the end of September. Add an Outlook.com alias to your account and send email to Gmail users using that alias. For more information, go to Add or remove an email alias in Outlook.com.

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. Originally, the freezing would only occur when I actually tried to do something. So, if I tried to open a message, search my inbox, write a new email, go to the calendar, etc., it would freeze up for about 5-10 seconds at a time.

How to Close Unresponsive Outlook on WindowsOpen Task Manager: Right-click on the taskbar and select "Task Manager" or use the Ctrl+Shift+Esc shortcut.Locate Outlook Process: In the Processes tab, find the "Outlook" process.End the Task: Right-click on the "Outlook" process and select "End Task."More items...

If your outlook account is dmanaged, Outlook Fix Blog then try to make new one which can seamlessly solve your issue. If this doesn’t work or you are unable to solve your issues properly, then try these troubleshooting methods. Exit Outlook, go to AppData, and manually delete cache folders. The browser version isn’t impacted by local Outlook files or add-ins.

The user is using Office 365 running in cached mode, anything over a year old is moved to his Archive folder (.PST). You might try renaming the pst and having future items go to a new pst. Have the original available to the user through an archive folder. Sorry, I forgot to mention I’ve ran a full and quick repair but hasn’t fixed the issue.

However, you can repair the Outlook data file (PST) using ScanPST.exe, also known as the Inbox Repair Tool. You can follow the below solutions to troubleshoot and resolve the Outlook running slow issue. This guide highlights the causes behind these issues and lists troubleshooting methods to resolve the "Outlook is running slow on Windows system" issue. If you are using an Exchange account in Cached mode, compacting your OST file may help improve performance.

These troubleshooting techniques apply to Outlook 2016 and 2011 for Mac. Try these troubleshooting steps in the order presented here, from simple Outlook Fix Blog to more complicated. If you're trying to open Microsoft Outlook from your Start menu or a shortcut icon but it just won't launch, don't worry, there are a few things you can try to get it up and running again. Here are some common fixes that should work when Outlook doesn't open, whether you're using Windows or a Mac. With the help of these tips, you can fix the Outlook is Running Slow problem.