The information below covers issues with the Outlook desktop add-in pertaining to installing, updating, tracking and notifications, and obtaining debug logs. Get Help has troubleshooters for classic Outlook you can run for many common scenarios. If a troubleshooter is available for your issue, select Start to run that troubleshooter. Use the classic Outlook startup troubleshooter to resolve issues when classic Outlook for Windows is unable to start. Despite its popularity, Outlook is still software, and like all software, bugs, issues, and errors can occur Outlook not opening on Windows 10 at any time. Given Outlook’s popularity, we’ve decided to create a Hub especially dedicated to this particular topic where we will be providing you will all manners of troubleshooting guides.

Learn how to check the version of Outlook you are using and update your Outlook. This is intended as a general guide to some common errors and I may not be able to troubleshoot through this. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.

We have recently received some reports of users who are experiencing issues with subscribing to .ics/ical calendars. To help you get rid of these duplicates, we have released a fix which will automatically clean up your contact list. This fix will clean up duplicate contacts for end users starting August 9, 2023.

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 Outlook not opening on Windows 10 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.

For example, writing gamil.com instead of gmail.com is a common typo that will cause problems with delivery. 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. Refer to our comprehensive list of common SMTP settings or consult your email provider for the correct parameters. Incorrect SMTP parameters are a frequent cause of email sending issues. Your email client needs the correct settings to communicate with the SMTP server. To access the calendar Outlook not opening on Windows 10 shared with your Microsoft 365 for business account, you'll need to accept the invitation from Outlook on the web, iOS, or Android.

We recommend setting Windows Update to automatically download and install recommended updates. Bug fixes, new features, and performance enhancements are released regularly. 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 the self-help doesn't solve your problem, scroll down to Still need help? Set up your account manually as an IMAP or POP account in Outlook not opening on Windows 10 Outlook. Visit Firefox support to learn how to Disable or remove Add-ons. You can also Sign out manually then close all browser windows. Check that you have not accidentally blocked the Gmail domain when blocking one Gmail user.

After installing the September Public Update, Outlook 2007 displays mixed languages in the user interface. There’s 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 what’s going wrong. To get help and troubleshoot other Microsoft products and services, enter your problem here. To get support in Outlook.com, click here or select Help on the menu bar and enter your query.

To learn more about how to share your feedback, see How do I give feedback on Microsoft Office. Visit Firefox support to learn how to Disable or remove Add-ons. If you access your Outlook.com account through the iOS Mail app, you may be repeatedly asked to enter your username and password. We're aware of an issue where some users see the error message "Your message can't be displayed right now".

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.

Now, check if ‘Something is wrong with one of Outlook not opening on Windows 10 your data files and Outlook needs to close’ is solved. The Inbox Repair Tool is an in-built utility from Microsoft to overcome the Outlook PST file corruption issues. Users can fix Outlook PST files using this utility, but firstly you need to locate the Inbox Repair Tool (ScanPST.exe) in their system. We are going to share a table below with the default location of this utility for different Outlook versions, like Outlook 2010, 2013, or 2019. In earlier versions of Outlook, we previously recommended that you use the Scanost.exe tool for errors that occur with your offline Outlook Data File (.ost).