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+We will ensure that all information is retained and only contacts with matching information in all fields will be cleaned up. To check if you have received the fix, review your contact list to confirm duplicates have been removed. Add an Outlook.com alias to your account and send email to Gmail users using that alias.
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+If not, you can try reinstalling Office 365 or repairing it. To sum up, the blog elaborated on all the major reasons for Microsoft Outlook keeps crashing problem. Furthermore, we learned six manual solutions to fix this issue. So, for a worry-free and risk-free conversion, using the professional tool is the optimum choice. I disabled all add-ins and started Outlook in safe mode but the crashing problem continued.
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+So, we have produced this list of general things to try to resolve your problem in Outlook. To edit a shared calendar, go online to your own Outlook.com calendar, open Calendar for Windows 10, or use a mobile device. If you're still unable to send or receive email, read how to Fix Outlook.com email sync issues. Blocking someone doesn't stop their email from coming to your mailbox, but it does automatically move the message to your Junk Email folder where you can review it (in case it was blocked in error).
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+If you manually type in the secondary connected account email address in the "From" field, the email is sent as "On behalf of" your primary Outlook.com account. A software rollout over the weekend was deployed incompletely, causing one component to send a high volume of messages to another component that had been deleted, overwhelming the routing plane servers. Availability has recovered, and engineers are investigating the root cause and identifying guide to repair Outlook problems problematic servers. The team is sweeping all remaining capacity to identify and address residual issues. Get Help has troubleshooters for classic Outlook for Windows you can run for many common scenarios, such as Outlook startup or profile setup problems. These often help resolve issues without the need to contact support.
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+User profiles help make sure that your personal preferences are used when you log on to Windows. If your antivirus software includes integration with Outlook, you may experience performance issues. You can disable all Outlook integration within the antivirus software. Or, you can disable any [guide to repair Outlook problems](https://fixoutlookhelp.wordpress.com/2025/10/29/repair-outlook-ost-and-pst-files-2025-guide/) antivirus software add-ins that are installed in Outlook.
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+Moreover, you can make Outlook work much better and faster. Don’t forget to regularly take care of your Outlook and update it to keep it working its best. If you still have problems even after trying these solutions, it might be a good idea to ask for help from Microsoft Support or an IT expert.
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+If you can't find a dialog box open, 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 dialog box, Outlook won't let you do anything else. Pressing Alt+Tab will help you switch from window to window and help you see what dialog boxes might be stopping Outlook from responding.
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+Some Safari users are unable to add email addresses in the To section, or cannot point the cursor in the To field. While we fix the problem, you can send the file as a OneDrive link. If you used the workaround below you can now switch from using an Outlook.com alias to your country's domain. When users select the Manage Microsoft Storage quota link at the bottom corner in Outlook.com, they are taken to a blank Settings page.
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+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
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+Most of these crashes come down to one thing – problematic data files. PSTs and OSTs act like Outlook’s memory banks. When they get too large, go corrupt, or are poorly configured, guide to repair Outlook problems things start to break. This should resolve the issue of ‘Outlook keeps crashing’.
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+The default SMTP port (25) may be blocked by some Internet Service Providers (ISPs) due to spam concerns. Currently, you can't use Outlook on Windows to edit calendars that are shared with your Outlook.com guide to repair Outlook problems account, even if you've reconnected your Outlook.com account to Outlook. We're working to make it possible to edit shared calendars in Outlook 2016 for Windows. If you are having issues sending email, this might be due to validation issues with your Microsoft Account.
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+A vast community of Microsoft Office365 users that are working together to support the product and others. Simran Bhatia is a technical content writer engaged in writing clear, concise, and SEO-optimized content. With a background in computer science and a passion for writing, I thrive to deliver complex technical content in simple layman terms. This method using the SCANPST.EXE will not work if the PST Files are in bulk or they are encrypted.
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