Troubleshoot Outlook for Windows issues
- Posted by augustagutman
- Categories Flame and other Trep, other
- Date December 21, 2025
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. 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.
If issues are solved then try to relaunch Outlook or perform system file tracking. 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.
An outdated version can also be a cause of why Outlook keeps crashing unexpectedly.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.
For more information about when builds are available for their respective channels, go to Update history for Microsoft 365. We’re investigating the issue and will update this page when a fix is available. MAPI does not validate that a provider’s DLL that it is requested to load is registered correctly in MapiSVC.inf or even that it comes from the local machine. This can be exploited by creating a file together with an OLE object in such a way to cause MAPI to load a DLL from a network share when the OLE object is activated. If you’re using Outlook 2010, Outlook 2013 or Outlook 2016, uninstall and re-install iCloud to resolve this issue.
If the icon is colored green, an update was released within the past two days. If orange, an update was released four days ago, and red indicates an update that’s over a week old. See work, group, and personal calendars with ease, wherever you want to be. For additional support, see How to get support for Outlook.com. Start typing in the search box to find a contact or contact list. Right-click an existing folder and select Create new subfolder.
Each message also has a mini toolbar when you open the message in a new window. For each message, you can delete it, mark it as unread, flag the message, or pin it to keep it at the top of your folder. There might also be a visual alert that a message is unread, has an attachment, or is flagged. This is a lightweight app designed to handle multiple accounts guide to repair Outlook problems and fairly moderate email use. TrustedTech delivers unbeatable customer service, with experts in licensing and high-level technicians always on-call to answer your tech issues in-depth.
If this profile becomes corrupted, it might fail to load or cause Outlook to crash upon opening. Such corruption could result from improper shutdowns, software conflicts, or corrupted files within the profile. Microsoft regulatory releases new updates for Outlook and Windows (or macOS).
So, this problem may be fixed by restarting the system. “My Outlook is crashing!” This ais a common problem that we may encounter while working with Microsoft Outlook? Many users frequently report issues with Microsoft Outlook crashing, regardless of whether the installation is new or old.
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. Your Outlook profile holds all your account settings and data configurations.
It gets better guide to repair Outlook problems because you also resolve all the Outlook opening issues. If you are trapped in a similar situation that my Outlook is not opening, you may feel disturbed about the problem. In the following post, you will find out solutions for the common Outlook not opening problems bonus tips to prevent the problem from happening again. Restarting your device clears temporary files and can fix minor software conflicts. Should you decide to remove a profile, back up the data files first.
The built-in search will display the message below to indicate it is not using the Windows Search service. Get Help has troubleshooters for classic Outlook for Windows you can run for many common guide to repair Outlook problems scenarios, such as Outlook startup or profile setup problems. These often help resolve issues without the need to contact support. Shows contacts or contact lists depending on what you selected in the left pane. Select a contact or contact list to view details in the contact card on the right.
To sum up, we explored several methods to fix “Outlook won’t open” errors. Whether it’s a profile issue, a corrupted PST file, or faulty add-ins, the methods above can help you get Outlook running again. When Microsoft Outlook refuses to open, it’s incredibly frustrating. This issue often stems from common culprits like a corrupted user profile, a damaged data file (PST or OST), or even a minor conflict within its settings or add-ins. The good news is that most “Outlook won’t open” errors can be resolved with a few proven troubleshooting steps.
