As you can see the manual method seems to be very complicated and lengthy, so you can directly go with the third-party tool to solve the common Outlook errors. In the end, users should choose a method or procedure that they are totally comfortable to perform it. Usually, this type of error shows some issues, errors, or glitches on the local disk where your Microsoft Outlook PST files are located. You can effortlessly use some troubleshooting procedures to set up your local drive. We recently surveyed 287 of our users to ask, “What made you try Mailbird in the first place?”.

Maybe you’ve added a new program to your computer that doesn’t get along with Outlook, or your system has a virus. Regardless of the specific cause, there are several key troubleshooting fixes to try that might help. This command clears any broken settings related to the navigation pane and can frequently fix startup issues. Below, we’ll guide you through a series of solutions, from simple, quick fixes to more in-depth repairs, to help you get Outlook up and running again. If it starts without any problems, you can check steps to fix Outlook not opening the add-ins. Moreover, it will help you to get the answer to which add-in is causing the issue.

We’re investigating the issues and will update this page when a fix is available. In the meantime, please use the workarounds suggested for each issue. We can say that you will likely need to reinstall your software and reconfigure the firewall settings. Often there is the option to add sites to a whitelist, and you can give more permissions to Outlook.

A damaged or corrupted Outlook user profile is a common reason for “Outlook won’t open” errors. Creating a fresh profile can provide a clean slate for Outlook to start. 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.

If you typically use an Outlook.com account for email, this issue can occur if there are multiple aliases on the account and the 3rd party email address is the primary alias. Some customers may experience a delay when trying to create a new email address, or alias, for their Outlook.com account. We recently surveyed 287 of our users to ask, “What made you try Mailbird in the first place?”. 27% moved to Mailbird specifically because of bugs or support issues with their other email clients, 17% of which specifically called out Outlook. Files are constantly corrupted for any number of reasons.

If you’re considering looking for an alternative to Outlook, we offer a swift onboarding experience through IMAP protocols. You can even add your @outlook.com email address to Mailbird and not miss out on any of your important conversations. Add an Outlook.com alias to your account and send email to Gmail users using that alias. For more information, go to Add or remove an email alias in Outlook.com. This issue has been mitigated and we are continuing to monitor the issue to ensure stability. The root cause was the deployment of an incorrect campaign data file, which led to false positive campaign detection.

We’re working to make it possible to edit shared calendars in Outlook 2016 for Windows. It’s a by-product of making more space on your PC, you delete things you don’t think you need anymore. Then, one day you realize getting rid of that file was a huge mistake. Let’s eliminate any feelings of despair regarding a deleted file. If you cannot restore the file from your computer’s recycling bin, here’s what to do. Gmail has a positive reputation when it comes to spam filtering.

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.

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.

If Outlook is NOT able to start in safe mode, then try the next proposed solution below, entitled Create a new Outlook profile. Starting Outlook in safe mode, which starts Outlook without add-ins loaded, can tell you if an add-in is the source of the problem. Try these troubleshooting steps in the order presented here, from simple to more complicated.