Blogs
on December 25, 2025
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. Use the Inbox Repair Tool (scanpst.exe) to scan your pst-file for errors. When you use a pst-file, it could be that an issue with that pst-file is preventing Outlook from starting correctly. When you know the cause of Outlook is having trouble starting then now the next step is to apply the appropriate fix.
Configure your antivirus software to exclude Outlook files or processes from real-time scans to avoid interference. Microsoft Outlook is one of the most widely used email clients globally, especially in steps to fix Outlook not opening professional and business environments. Outlook also comes with strong built-in security features, making it a reliable choice for managing communication and workflow. To edit a shared calendar, go online to your own Outlook.com calendar, open Calendar for Windows 10, or use a mobile device.
If it never worked before or if you are starting Outlook for the very first time, it could very steps to fix Outlook not opening well be that you have not configured your mail account correctly. A common mistake is choosing for an Exchange account while in fact you are using a POP3 or IMAP account. Sometimes when a user tries to search in Outlook, it either returns incomplete results, or returns nothing at all, even if you can see the email normally. Most times, this is caused by a corrupted search index, which you can rebuild. Keep in mind this does take a while, and it’s usually best done after the user has left for the day. In many organizations, Outlook is one of the most common and core programs that are used from day to day.
If you used the workaround below you can now switch from using an Outlook.com alias to your country's domain. If filling in the right info doesn’t work or if your other provider doesn’t provide POP access, contact the provider. If you have Outlook in your startup folder, remove the shortcut from the startup steps to fix Outlook not opening folder. Ensure that your firewall or antivirus is not blocking the connection.
Most likely, your Windows is running 64-bit with Office 32-bit. Use the Office 64-bit release, if supported by your organisation. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. The settings in the Send/Receive Group windows let you customize the synchronization rate of the new group. One of the best things you can do- third party add-ons can slow Outlook down and cause lockups. To investigate any reported issues, dashboard filters, and drill-down investigations can be used to narrow the focus and take remedial action.
Outlook support services are designed to steps to fix Outlook not opening help both individual users and organizations that rely on Outlook for email communication, calendar management, task management, and more. Support can be accessed through various channels including phone, email, live chat, and through the Microsoft support website or US Cloud if you have a premium support plan. Outlook reset password support is the assistance and guidance provided by Microsoft to help users who need to reset or recover the password for their Outlook account. This is crucial for users who have forgotten their password, suspect their account may have been compromised, or simply wish to update their password for security reasons. Outlook is part of Microsoft’s suite of services, and the process for resetting or recovering a password is integrated with Microsoft’s overall account management system. Microsoft’s customer service can be reached via email, phone, live chat, social media, and community forums.
Currently, you can't use Outlook on Windows to edit calendars that are shared with your Outlook.com 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. We are aware that some users may not be able to receive email from Gmail accounts.
Their response will indicate whether they’ve found issues with your email domain and are working on a fix, or that they haven’t found any issues. Stay ahead of blocklists, spam complaints, and MBP blocks with Validity Everest’s real-time reputation monitoring. Even with the correct SMTP details, the server might be down or malfunctioning. Understanding the specific error codes returned by the SMTP server can help diagnose the issue. We love reading your suggestions on new features and feedback about how you use our products!
Again, you can contact them in private through Messenger, or you can post a message on Facebook and tag them. If the Outlook customer service is busy, unreactive, or if they’re not responding to your questions, you can try asking the community. In this quick guide we’ll show you how to get in touch with Outlook’s customer service. Find out their service hours, the best phone number to reach them, and steps to fix Outlook not opening more ways to contact them. If classic Outlook repeatedly prompts you for a password during setup, make sure that your caps lock isn't turned on.