1 Revert to previous version of outlook Microsoft Q&A
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If creating a new profile solves your issue, you can return to the Show Profiles dialog and delete your old profile. If you have Outlook in your startup folder, remove the shortcut from the startup folder. Sometimes outdated or over-protective anti-virus / anti-spam programs can conflict with Outlook or with one of your Outlook add-ins.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 Fix Outlook official help anti-virus blocks the add-in and prevents Outlook from functioning properly.

It enables you to verify its performance and functionality and ensures your critical data can be recovered without hassle. Before making changes, make sure to save your Outlook stuff to Fix Outlook official help keep it safe. If Outlook still doesnt open after trying these fixes, you might need more help. Asking IT experts or Microsofts support team could give you the best solution for the Outlook problem youre facing. You can start Outlook in safe mode, disable your add-ins, and then try to open Outlook normally.

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.

Corrupted profiles frequently prevent Outlook from progressing past the loading screen. Creating a new profile establishes a clean environment for Outlook to start. I have found that when this happens its due to the Account in windows needing to be updated. If you close outlook(make sure its not in the system tray) then click on start and type Domain, then find Access work or school. You should see the Microsoft account, click on it and disconnect it.

If you can't find a dialog box open, move on to the next step. Theres 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 whats 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.

You can create a new profile and then add your email accounts to the new profile. If repairing your Microsoft 365 programs didn't resolve your issue, move on to the next step. For example, the first time you try to Dismiss All on a list of reminders, Outlook asks you if you're sure you want to do that. If you don't choose an option on that Fix Outlook official help dialog box, Outlook won't let you do anything else.

The process of reading the OST file and then exporting it to PST takes a significant amount of time. The time it takes to convert OST to PST depends on your computer's performance, particularly the speed of your disk subsystem. In other words, when you remove or modify a message, contact, reminder or meeting, the object is only marked as removed, but is not removed physically and remains in the OST file.

To edit a shared calendar, go online to your own Outlook.com Fix Outlook official help calendar, open Calendar for Windows 10, or use a mobile device. Read how to Add your Outlook.com account to another mail app. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. Repair PST files and save to PST, MBOX, Office 365 & Exchange. Restoring a removed Outlook account is not that complicated. It just requires a little knowledge of Windows and Outlook functions.

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 thats used for calendar folders to reduce the number of items that are stored locally in your calendar folders.

Be aware that if you are connecting to an Exchange Server mailbox, your mailbox or your email messages are already being scanned by antivirus software on the server. For more information, see You may experience application pauses if you have a large Outlook data file. Optionally, if you have a Microsoft Exchange online archive, you can move items to that archive or create retention policies to automatically dispose of older items.

Although add-ins can enhance your user experience, they can occasionally interfere or conflict with Outlook. 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).