Open your Outlook (2019, 2016, 2013, 2010) account in safe mode. If it works fine, then Outlook PST error can be fixed easily. Or else you need a perfect solution to resolve Microsoft Outlook error message without data loss. In case, these above-discussed techniques do not work, you still face Microsoft Outlook issues. Also, if you do not know the exact reasons for the error and want to resolve them.

Are you having trouble starting Outlook or receiving "Cannot start Microsoft Outlook. Cannot open the Outlook window" error messages? We can fix the problem for you, or you can use the troubleshooting steps we're providing below to help resolve these startup issues. Here's the deal, when Outlook manages to open, all the files you delete will automatically be recreated. It gets better because you also resolve all the Guide to repair Outlook problems Outlook opening issues. If the in-box Program cannot fix the corrupted Outlook PST files, you can also try Wondershare Repairit for Email.

Occasionally, that profile can become corrupted. You can determine if it's corrupted by creating a new profile and changing which profile is used when Outlook starts. 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. Use the classic Outlook startup troubleshooter to diagnose and fix several common classic Outlook for Windows issues for you. Hello, despite my new attempts with 80 users, I am resetting the registry keys for 3 to 4 users per day… Have you found a solution?

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. If you lose your connection to the internet, classic Outlook won't be able to send your messages. To fix this problem, on the ribbon, select the Send/Receive tab, then, in the Preferences group, select Work Offline to toggle between offline mode and online mode. You may need to open the message and send it again or choose Send/Receive. On the Outlook status bar, if you see Disconnected, Working Offline, or Trying to connect…, then Outlook can't reach the email server to send your mail.

Until you can install the Windows Update fix release, you can set a registry key that will cause Outlook to stop using the local Windows Search service. When this registry key is set, Outlook will use its own built-in search engine. The built-in search will display the message below to indicate it is not using the Windows Search service. The issues documented in this section have been reported after installing the recent updates listed below. We're investigating the issues and will update this page when a fix is available.

If you restart it successfully, it will show you that one or more add-ins are defective. Now, it's time Guide to repair Outlook problems to uncover them by the elimination process. Find solutions to common problems or get help from a support agent. The navigation pane is the leftmost pane in Outlook where you'll find your folder list and the icons to move between Mail, Calendar, People, and Tasks. Running the /resetnavpane command removes all customizations to the navigation pane. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.

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.

After finding the errors, their next task is to resolve them. For many types of email accounts, classic Outlook stores your messages in a Personal Folders File (.pst file). For more information, see Repair your Outlook personal folders file (.pst). If you are having sync issues, Guide to repair Outlook problems you can force a manual sync by selecting the Sync button via the View tab on the Ribbon.

If you used the workaround below you can now switch from using an Outlook.com alias to your country's domain. The folder may have been deleted or the server where the folder is stored may be unavailable. You don't have appropriate permission to perform this operation.

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 Guide to repair Outlook problems experience performance issues. You can disable all Outlook integration within the antivirus software.