Sometimes, antivirus real-time scanning can slow Outlook down. Configure your antivirus software to exclude Outlook files or processes from real-time scans to avoid interference. If you can’t choose any of the menu options, type inside an email message, calendar event, or contact, Outlook may have frozen. There are three steps you can take to try to get Outlook working again. You might need to set Windows Update to automatically download and install recommended updates. Installing any important, recommended, and optional updates can often correct problems by replacing out-of-date files and fixing vulnerabilities.

It could be as simple as an out-of-date version of Outlook’s software. Once an update has been run on your system, the bug may be rectified. Here is a list of things to try to stop getting that pesky password prompt after every action you do on Outlook. If you are using Gmail or Google Workspace as well as the Outlook calendar, it would be nice to have them populated with the same information. Here is how to make sure your Outlook is showing the same information as your Google Calendar. It might be that antivirus software is trying to block a function that is repeatedly trying to squeeze through the firewall.

This goes Outlook not opening on Windows 10 to prove that the problem came from your original Outlook profile. Check the solutions to fix “Outlook not opening” problem and how to avoid “Outlook won’t open” again. These troubleshooting techniques apply to Outlook 2016 and 2011 for Mac.

Maybe the online version through office.com Outlook not opening on Windows 10 might be slightly faster but I doubt by much when compared to the desktop version. If you have messages with large attachments, those documents, photos, and other files can take up significant storage space. This in turn slows down email retrieval and load times across all devices. In some cases, an Outlook messaging profile may be misconfigured. Creating a new Outlook profile may resolve some performance issues.

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…

To repair Outlook not opening on Windows 10 such PST files, you need to use Stellar Repair for Outlook, an advanced Outlook PST repair tool. This tool can repair damaged, inaccessible, and encrypted PST files with complete integrity and precision, regardless of the file size or the degree of corruption. The tool creates a backup of the original PST file (.bak extension) and then tries to repair the original PST file. The time taken by it to repair depends on the level of corruption, inconsistencies, or errors, and size of the mailbox.

If it were me, I’d run either Process Explorer or Process Hacker and check the CPU levels while watching the person work for a few minutes. My guess is it’s got some kind of real time updating going on that’s hogging Outlook’s little slice of processor. Ifso facto, you can start looking for options that allow for this sort of thing and turn them off until it stops. If yes, then don’t worry, we’re here to fix it with effective solutions. Sometimes outdated or over-protective anti-virus / anti-spam programs can conflict with Outlook or with one of your Outlook add-ins. As a result, the anti-virus blocks the add-in and prevents Outlook from functioning properly.

Set Outlook to save attachments for 999 days.You won’t have to wait for Outlook to re-download attachments every time it access the email. Most likely, your Windows is running 64-bit with Office 32-bit. Use the Office 64-bit release, if supported by your organisation. On Windows, you have a couple of ways to speed up the Outlook desktop app. For immediately speeding up Outlook to be effective and enhancing its long-term performance, Clean Email provides the following benefits.

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.

This happens to accounts that are configured in the iOS Mail app. The loading of unregistered MAPI services has been disabled by default to make Outlook more secure. To access the calendar shared with your Microsoft 365 for business account, you’ll need to accept the invitation from Outlook on the web, iOS, or Android. If you’ve already clicked the Accept button in Outlook 2016, you won’t be able to re-accept the invitation from another Outlook application. The person who sent you the invitation will need to remove your permissions and then send a new invitation. If you typically use an Outlook.com account for email, this issue can occur if there are multiple aliases on the account and the 3rd party email address is the primary alias.