The upcoming section will discuss the steps to fix Outlook not opening reasons in detail. I'm having an issue with one Outlook 365, the program open and get stuck at loading the user profile, any profiles. Your user profile is a collection of settings that let you customize the computer appearance and performance. It contains settings for desktop backgrounds, screen savers, sound settings, and other features.

Microsoft created a support and recovery assistant. This program is designed to run some tests, provide a diagnostic, and help you fix common issues with your Outlook account. If calling people on the phone is not your preferred option, you can contact Outlook’s customer service via a live chat. Outlook Safe Mode support refers to the resources and assistance Microsoft provides for users who encounter issues while using Outlook in Safe Mode. Overall, Outlook webmail support provides a steps to fix Outlook not opening comprehensive system to help you troubleshoot problems and effectively use the web-based version of Outlook for managing your email and schedule.

After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will still work, steps to fix Outlook not opening but we recommend moving to Windows 11.

Hence, you must now consider fixing your PST file after the Outlook crash. 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. In this article let’s have a look at the solutions to fix Outlook crashes during startup problems. We have covered some simple and effective solutions to resolve this problem of Outlook opening and closing, read on. I am asking for help for my sister's computer as she doesn't have a lot of funds to take it to a tech to have it repaired.

One thing that filters are good at is to enable unified inbox ability in outlook that is unfortunately not built in by default. Every antivirus software is different, so you'll want to look up how to specifically enable Outlook with the software you're using. Check your settings to see if you've got the "always prompt for password" feature enabled. You should be able to go to Outlook via a web browser and reset your password. This is one of the more popular steps to fix Outlook not opening culprits as to why Outlook repeatedly asks for your password. It might be that antivirus software is trying to block a function that is repeatedly trying to squeeze through the firewall.

Logging into Outlook 365 provides a seamless experience across devices and integrates with the broader ecosystem of Microsoft 365 applications, enhancing productivity and collaboration. Once the software is installed, it will guide you through the steps to figure out what’s wrong with your Outlook account and help you find the best solution. If this doesn’t work, you’ll need to get in touch with Microsoft support. Microsoft recommends using their support portal to initiate help requests. This involves starting through automated help, which can then direct you to phone assistance.

In those that did, steps to fix Outlook not opening the MIP API Enterprise Application had been disabled for some vague reason. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. Conflicting rules can prevent certain rules from working as intended. Review your rules to identify any conflicts and resolve them by disabling or adjusting overlapping rules.

If your Outlook crashes when opening steps to fix Outlook not opening or on startup or even if Outlook stucks at Processing, you can fix it by opening Outlook in Safe Mode. To open Outlook in Safe Mode, follow the instructions below. You can determine if it's corrupted by creating a new profile and changing which profile is used when Outlook starts. If Outlook is NOT able to start in safe mode, then try the next proposed solution below, entitled Create a new Outlook profile. Then, each item in your calendar folder is checked for known problems that can cause unexpected behavior, such as meetings that seem to be missing.

When you install Outlook, an Inbox repair tool (scanpst.exe) is also installed on your PC. The Inbox repair tool can resolve problems by scanning your Outlook data files, and repairing errors. To use the Inbox repair tool, exit Outlook, and then follow the steps in Repair Outlook Data Files (.pst and .ost). 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.

Repeat the process for all the add-ins that were selected earlier and wait until the Outlook crashing problem repeats. Should you decide to remove a profile, back up the data files first. All offline cached content will be deleted when you choose Remove. For more information, see Introduction to Outlook Data Files (.pst and .ost). The steps to access the repair tool vary depending on your operating system.