To reduce the number of items that are stored locally, limit the synchronization window that's used for shared folders. These keys don't clean up older Calendar content that was already downloaded. However, this method can be effective if you're willing to clear offline items and resync your Calendar (instead of bulk deleting old items). If you already have the Calendar in the profile, you have to clear the Offline Items after you set the registry keys and restart Outlook. In Sync Window Settings, adjust the number of months of data that are synced for the primary shared calendars. Use the Turn on shared calendar improvements option for users who have edit permissions to a shared calendar to improve performance.

For a list of antivirus software vendors, see Consumer antivirus software Fix Outlook official help providers for Windows. If the problem doesn't occur after you restart Outlook, one of the add-ins is likely the cause of the problem. Restore the add-ins one at a time until the problem does occur to determine which add-in is causing the problem. Although add-ins can enhance your user experience, they can occasionally interfere or conflict with Outlook. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.

Having too many shared mailboxes and Fix Outlook official help folders can cause slow performance in Outlook. The limit will depend on the size of the mailboxes and folders. It is recommended to remove any mailboxes that don’t need to be open. You can also add the secondary connected accounts (Gmail, Yahoo, etc.) in Outlook.com as additional accounts in the Outlook profile.

This can be exploited by creating a file together with an OLE object in such a way to cause MAPI to load a DLL from a network share when the OLE object is activated. This issue affects all Outlook versions on Windows 7, Windows 8, Windows 10. A vast community of Microsoft Office365 users that are working together to support the product and others. The settings in the Send/Receive Group windows let you customize the synchronization rate of the new group. To the right of each folder is the Empty drop-down menu which provides options to delete all items in that folder, or items 3 months and older, 6 months and older, and 12 months and older.

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. To learn more about how to send us feedback, please see How do I give feedback on Microsoft Office. Note that you can quickly tell how your mail is currently sorted, by the presence of a small triangle on the field headers. You may notice that All, Unread , Mentioned and other sort and filtering options, such as By date, and Newest are missing in Outlook above your email list. Please install the Windows 10 Fall Creators Update to fix this issue. Outlook 2016 freezes when you try to preview an Excel file that's attached to an email.

If it never worked before or if you are starting Outlook for the very first time, it could very well be that you have not configured your mail account correctly. A common mistake is choosing for an Exchange account while in fact you are using a POP3 or IMAP account. Just to make sure you are not Fix Outlook official help trying to troubleshoot an issue which has already been solved, before you begin verify that you have installed all updates for your version of Outlook. I’m not certain to which post you’re referring, but everything that’s been mentioned so far can be done directly by the user. No elevated permissions are required to do any of these steps.

If you can't find a dialog box open, move on to the next step. There’s nothing in particular to warn you about, as there are many informational and diagnostic information there, but reading the entries may lead to a clue about what’s going wrong. Note that you can sort by clicking on the Source column. Be sure to look where both Outlook exited and when it was restarted. Do you have another machine you can try to duplicate the problem on, preferably with a configuration that is as close to possible to the machine that has the problem? Identifying patterns helps to diagnose what the problem might be.

Our 9 working solutions will help you fix Fix Outlook official help the "Outlook Not Responding" issue and bring your Outlook back to life. The solutions work for Outlook 365, 2021, 2019, 2016, 2013, and earlier versions. If installing the latest updates didn't resolve your issue, move on to the next step. If you try to delete or move a large number of messages at once, Outlook can appear to freeze, but really, it's working behind the scenes. If Outlook is performing some operation on hundreds or thousands of messages at once, it might appear to be stuck.

To keep up with new viruses as they're created, antivirus software vendors periodically provide updates that you can download from the Internet. Download the latest updates by visiting your antivirus software vendor's website. We recommend setting Windows Update to automatically download and install recommended updates. Bug fixes, new features, and performance enhancements are released regularly. Not something you want to take on lightly, but sometimes you have to.