If you're trying to set up an iCloud account, follow the steps in Add or manage an iCloud email account in Outlook. For Gmail accounts, see Add a Gmail account to Outlook. We go above and beyond the average software reseller because we built our business on trust. As active members in the IT community, we work to support our clients’ businesses and provide them with peace of mind.

The Credential Manager is where Windows stores passwords and login information on your computer. It acts as a vault with specific settings and permissions you can adjust. The easiest way to find out if this is the problem is to temporarily disable your antivirus step-by-step Outlook troubleshooting software and log in to Outlook as usual.

The good news is that Outlook has a built-in tool to scan for corrupted files. You can also make PST files a smaller size that won't corrupt as easily. Outlook has a location where you can manually add approved email addresses to the Safe Senders list and ensure they never end up in your junk mail.

When built-in tools fall short, professional solutions pick up the slack. Faulty hard drives or disk errors can corrupt the Outlook data stored locally. This creates crashes that seem random—until you dig into the hardware logs. Let’s look at what causes Outlook to crash, how you can fix it, and a smarter tool that takes a lot of the stress off your plate. Hopefully, one of the fixes above helped resolve your problem. Please feel free to leave a comment below if you have any questions or suggestions.

Start classic Outlook in safe modeIn Windows 10, click Start.Type Outlook /safe, in the Search programs and files and then click OK.Close and re-open Outlook.If the issue is resolved, you can keep working, or if you have time, take the following steps to find out what COM Add-in is causing the problem.

Support and Recovery Assistant performs diagnostic checks and returns potential solutions for you to try in order to resolve Outlook issues. This should resolve the issue of ‘Outlook keeps crashing’. If not, you can try reinstalling Office 365 or repairing it.

Start classic Outlook in safe modeIn Windows 10, click Start.Type Outlook /safe, in the Search programs and files and then click OK.Close and re-open Outlook.If the issue is resolved, you can keep working, or if you have time, take the following steps to find out what COM Add-in is causing the problem.

A laggy search is one of the most common Microsoft Outlook problems. It may arise at different times, depending on your platform or device. You can still log in to Outlook with a legacy @live.com email address. The first rule of Outlook troubleshooting is to eliminate the most obvious suspects. If you're committed to the task of Outlook troubleshooting in the meantime, let's get into our guide that will help you solve some of the most annoying Outlook issues. If you have Outlook in your startup folder, remove the shortcut from the startup folder.

ProcedureExit Outlook.Open a Run dialog box. ...Type Outlook /safe, and then click OK.If the issue is fixed, click Options on the File menu, and then click Add-Ins.Select COM Add-ins, and then click Go.Click to clear all the check boxes in the list, and then click OK.Restart Outlook.Jun 25, 2025

Read how to Add your Outlook.com account to another mail app. 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. This occurs because custom form script is now disabled by default. If you're curious to get started, we recommend downloading our free step-by-step Outlook troubleshooting trial.

If so, wait a short time (usually two or three minutes) to see if Outlook step-by-step Outlook troubleshooting starts working again. 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. To install the latest Windows and Office updates, click the link below.

Many users frequently report issues with Microsoft Outlook crashing, regardless of whether the installation is new or old. One common issue with Outlook is that it occasionally closes unexpectedly. Running the latest version of Outlook ensures you have step-by-step Outlook troubleshooting the most recent fixes and updates.

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.

Some programs running on the back of your computer may conflict with Outlook and cause Outlook to crash. To see if that’s the problem for you, restart your computer, and then reopen Outlook to see if it runs correctly. Test if Outlook is functioning correctly after disabling step-by-step Outlook troubleshooting the add-ins. If not, it means still Outlook keeps crashing. Let us try another solution to get this issue fixed soon. If Outlook does not crash, this indicates that one or more Add-ins are to blame for the Outlook 365 crash.