Update the account information with the one you received from your email provider or from the POP and IMAP server name reference topic. Occasionally, classic Outlook tries to run a process in the background. Auto-archive, sending and receiving a very large attachment, or running some of the other mailbox tools can all be done in the background. Check the status bar at the bottom of the screen to see if another process is running. If so, wait a short time (usually two or three minutes) to see if Outlook starts working again.
For example, if you have a Yahoo! account, you first have to change your password at Yahoo.com. Once you’ve changed your password with your email provider, you can update the password in Outlook. See Change or update your email password for more information.
Outlook stores all your email messages, meetings and events, contacts, and tasks in data files. You can run the Inbox Repair Tool (scanpst.exe) to scan your Outlook data files and repair errors. 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.
Many of these items can be automatically checked by the Classic Outlook Advanced Diagnostics troubleshooter. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. There are a number of possible reasons for Outlook to behave this way. We’ve presented the potential solutions in order from quickest to most time consuming. Ask a question and find solutions from Support Agents, MVPs, Engineers, and Outlook users.
Recover email that’s been removed from your Deleted Items folderIn the left pane of Outlook on the web or Outlook.com, select the Deleted Items folder.At the top of the message list, select Recover items deleted from this folder.Select the items you want to recover, and select Restore. Notes:
Hopefully, one of these solutions worked for you, and Outlook is now stable and operating normally. I have a user who’s outlook crashes and restarts every 30 minutes. It is so precise that you can set your watch to it. I have ran outlook.exe /cleanrules and Outlook will run perfectly (without crashing) all day. But as soon as www.tumblr.com/fixoutlookhelp the user closes outlook and re-launches, without the /cleanrules, outlook will begin crashing again every 30 minutes. This step creates detailed information about your Outlook configuration and provides solutions for any known issues that are detected.
Click the above link to have a quick download, then you can have Outlook errors fixed within minutes. If you do everything properly, Outlook will open when you use the new profile. This goes 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.
Each message also has a mini toolbar when you open the message in a new window. For each message, you can delete it, mark www.tumblr.com/fixoutlookhelp it as unread, flag the message, or pin it to keep it at the top of your folder. To show or hide the Folders list, select Show or Hide the navigation pane.
An outdated version can also be a cause of why Outlook keeps crashing unexpectedly. Try the tool mentioned above because it is effective and convenient, and it scans and fixes errors in both PST and OST files. This tool can be downloaded for free as a trial version. Problems with Outlook or MS Office program files can cause such problems. In this case, you can try repairing or reinstalling Microsoft Office.
Add, edit, or delete events using daily, weekly, or monthly views. For more information about working with calendars in Outlook.com, go to Using the calendar in Outlook.com. Select More to see additional actions—for example, an option to print a message.
When you do this, your Outlook www.tumblr.com/fixoutlookhelp might have opening problems. For this reason, you should always turn off Compatibility mode for Outlook. If you restart it successfully, it will show you that one or more add-ins are defective. Now, it’s time to uncover them by the elimination process.
ProcedureExit Outlook.Open a Run dialog box. …Type Outlook /safe, and then click OK.If the issue is fixed, click Options on the File menu, and then click Add-Ins.Select COM Add-ins, and then click Go.Click to clear all the check boxes in the list, and then click OK.Restart Outlook.Jun 25, 2025
If the check box is cleared, www.tumblr.com/fixoutlookhelp the service or startup program doesn’t run when you restart the computer. If none of the above suggestions helped, try to repair your Office programs, as the last resort. Close all Office applications and open Control Panel. Select Change, then choose Repair and click the Continue button. From time to time Microsoft Outlook adopts quite an annoying habit to hang around even if the user persistently attempts to shut it down. This problem existed in earlier versions and it may occur with recent Outlook 2013 and 2010.