You must have at least three user accounts on the computer to complete these steps. You may have to contact your antivirus software vendor to determine how to configure the software to exclude any integration with Outlook or to exclude scanning in Outlook. For a list of antivirus software vendors, see Consumer antivirus software providers for Windows.

If Outlook is configured to connect to the Exchange mailbox in Online mode, an .ost file is not used. To adjust the number of days of data that are synced for shared folders, add the following registry values. You can limit the synchronization window that’s used for calendar folders to reduce the number of items that are stored locally in your calendar folders.

Also, we go over the stepwise working procedure of both solutions and the reasons behind PST file corruption issues. The Inbox Repair tool or ScanPST.exe is not a convenient way because of multiple restrictions. Moreover, this tool can quickly recover email messages, calendars, tasks and other data from corrupted PST files.

This tool scans the Outlook data file for errors and fix them easily. But if you know what might be causing the problem and follow the steps to fix it, you can usually make things better quickly. Understanding why these errors happen and using the right solutions helps make emailing easier in Outlook. As a result, you can keep communicating without any interruptions or hassle. We have recently received some reports of users who are experiencing issues with subscribing to .ics/ical calendars.

As your mailbox size increases, more resources are required to open each folder. If you have a large number of items in any single folder, you may experience performance issues during certain operations. For more information, see Outlook performance issues when there are too many items or folders in a cached mode .ost or .pst file. Follow these methods to resolve the Outlook stuck on loading profile issue. If your antivirus software includes integration with Outlook, you may Fix Outlook troubleshooting hub experience performance issues. You can disable all Outlook integration within the antivirus software.

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 Fix Outlook troubleshooting hub users experience the same confusion by asking themselves, "Why is my browser so slow?

You also can select a day or time slot and create a new appointment or event. Keep track of appointments, meetings, or any other event from anywhere. Add, edit, or delete events using daily, weekly, or monthly views.

The built-in Fix Outlook troubleshooting hub back-off mechanisms in the indexing component of Windows Search or WDS pauses the indexing of Outlook data when the system is under heavy use. The easiest way to let the indexing finish is to leave Outlook running overnight.Additionally, you can reduce performance issues by running Outlook in Cached Exchange Mode. In this mode, Windows Search or WDS searches the local copy of the mailbox instead of the mailbox content on the server. I even reduced mailboxes sizes and that didn't help, I setup a new user (albeit existing PC but new windows profile), and he is having the same issues. If the mailboxes open automatically after removing them and restarting Outlook, they may be auto mapped. This setting can be changed by an Exchange admin by submitting a request via Jira and including the usernames of the client and the usernames of the mailboxes that need to be removed.

Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. Occasionally, I’ll run into an issue with Outlook that can be addressed by running a repair. Being a Chief Technical Analyst, I am aware of the technicalities faced by the user while working with multiple technologies. So, through my blogs and articles, I love to help all the users who face various challenges while dealing with Fix Outlook troubleshooting hub technology. Sometimes, these antivirus or security apps might block or restrict the outgoing connectivity.

Follow these steps to let Outlook diagnose and fix errors in your Outlook mail profile that might be causing the issue. You can create a new Outlook Data File and drag the items in the Lost and Found folder into the new data file. After you've moved all the items, you can remove the Recovered Personal Folders (.pst) file, including the Lost and Found folder. To create a new Outlook Data File, go to Create an Outlook Data File. The steps to access the repair tool vary depending on your operating system. 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.

Starting Outlook in safe mode, which starts Outlook without add-ins loaded, can tell you if an add-in is the source of the problem. Turn off all the add-ins, close Outlook, and reopen it (not in Safe Mode). If it opens correctly, you can enable the add-ins one by one. After turning on each one, close and reopen Outlook to see if it loads correctly. It will help pinpoint the troublesome add-in you can remove or replace.