Use the Microsoft 365 setup troubleshooter to install Microsoft 365, Office 2021, Office 2019, or Office 2016 on your Windows PC. This option could be useful if you constantly have to wait for Outlook to rebuild its data file when you restart. There are multiple ways for you to send and receive email, and multiple versions of Outlook available. If the images in these topics don’t match what you see on your screen, you might be using a different version of Outlook. If you can’t receive new email messages, there are several troubleshooting steps you can take. If you’ve successfully sent and received email from classic Outlook before, and now Outlook repeatedly asks you to reenter your password, one of two things may have happened.

If you want to resolve the inaccessibility from your PST file, opt for the Cigati Outlook PST Repair Tool. Should you decide to remove a profile, back up the data files first. All offline cached content will be deleted when you choose Remove.

Compatibility mode is suitable for older software with Windows 10 that fail to run normally. Thankfully, Microsoft Outlook is fully optimized for Windows 10, meaning Compatibility mode is not necessary. You might be wondering what happens when you switch on the Compatibility mode for Outlook. For this reason, you should always turn off Compatibility mode for Outlook. If you do everything properly, Outlook will open when you use the new profile. This goes to prove that the problem came from your original Outlook profile.

Depending on the answers, you could possibly skip large portions of this guide or even directly get a solution to your startup issue. Either disable caching or reduce the cache from unlimited, 12 months or whatever it is, to 3-6 months, all other data, the user would have to click ‘access on server’ or some other similar verbiage. You might need to set Windows Update to automatically download and install recommended updates. Installing any important, recommended, and optional updates can often correct problems by replacing out-of-date files and fixing vulnerabilities.

Note that the above link is for desktop Outlook for Windows. A more general version that can also fix Office, Microsoft 365, and other Outlook problems can be found here. Visit the Technology Help Desk Support page to locate your local campus contact information or to submit an online fixing Microsoft Outlook problems technology support request.

Set up your account manually as an IMAP or POP account in Outlook. After installing the September Public Update, Outlook 2007 displays mixed languages in the user interface. You can start Outlook in safe mode, disable your add-ins, and then try to open Outlook normally.

There are several possible reasons why Outlook behaves this way. Outlook Error 0x a shows an error of server timeout with Outlook’s receive/ send functionality. This error is caused due to connectivity problems and inappropriate settings with the files of Outlook data. Some configurational changes or default features of antivirus can restrict the connectivity of your Outlook to the server. You can either manually disable such features from your antivirus program or temporarily uninstall the antivirus from your machine.

This tool scans the Outlook data file for errors and fix them easily. But if you know what might be causing the problem and follow the steps to fix it, you can usually make things better quickly. Understanding why these errors happen and using the right solutions helps make emailing easier in Outlook. As a result, you can keep communicating without any interruptions or hassle. We have recently received some reports of users who are experiencing issues with subscribing to .ics/ical calendars.

If the check box is cleared, the service or startup program doesn’t run when you restart the computer. Repairing your Office programs can resolve issues with Outlook not responding or freezing. Errors in Microsoft 365 files are repaired automatically. If Outlook isn’t stuck at a screen that says “Processing,” or this didn’t resolve your issue, continue to the steps below. Outlook may remain stuck if other Office applications or processes are running in the background.

Get Help has troubleshooters for classic Outlook for Windows you can run for many common scenarios, fixing Microsoft Outlook problems such as Outlook startup or profile setup problems. These often help resolve issues without the need to contact support. Get Help has troubleshooters for Microsoft 365 you can run for many common scenarios. If a troubleshooter is available for your issue, select Start to run that troubleshooter. Microsoft has its own tool for automatically scanning and correcting Office when things go awry. You can read about it and then run the Microsoft Support and Recovery Assistant to see if that helps.

We can fix the problem for you, or you can use the troubleshooting steps we’re providing below to help resolve these startup issues. 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. The only thing is to know how to overcome them when they arise. Whether it’s defective add-ins, frozen Outlook, faulty data files, and many others, you can manage all these problems yourself. Knowing the cause of the problem will help you sort out all the issues related to Outlook opening.