It can automatically diagnose issues, troubleshoot, and fix problems with Outlook. A more general version that can also fix Office, Microsoft 365, fixing Microsoft Outlook problems and other Outlook problems can be found here. When you try to accept a shared Outlook.com calendar using your Microsoft 365 for business account in Outlook 2016, you might receive the "Something went wrong" error or your sign-in might fail. 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.

If you upgraded from Outlook 2003 to Outlook 2007, some people have reported that reseting a few internal Outlook files helps with performance. Microsoft has identified several issues with a recent Outlook updated (KB ). To access the filtering options faster, add them to your Quick Access Toolbar. The loading of unregistered MAPI services has been disabled by default to make Outlook more secure. When you try to accept a shared Outlook.com calendar using your Microsoft 365 for business account in Outlook 2016, you might receive the "Something went wrong" error or your sign-in might fail.

When you have a weak or unstable internet connection, it can cause the app to load slowly, especially on mobile devices. If you’re using an outdated version of Outlook, it can result in slower performance due to a lack of necessary updates and improvements. If a specific version significantly impacts performance, such as CPU you could navigate to the "High CPU usage" diagnostics dashboard and look for the Outlook binary. Some of these data-gathering remote actions are used to populate the live dashboard and should already be scheduled. You can query the results by investigating KPIs from the Live dashboard or from your own investigations. Restart Outlook and check the performance of the Outlook application.

We also released a new rule that corrected the wrong campaign verdict for all impacted customers during the incident. Customers with only a 3rd party email address set up as the username of their Microsoft Account will be asked to add a 1st party Microsoft alias to their account before accessing Outlook.com. 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 Installing any important, recommended, and optional updates can often correct problems by replacing out-of-date files and fixing vulnerabilities.

Avoid frustration and wasted time with a slow Outlook on Windows 10. This post provides practical solutions to speed up your email program. Using products such as Windows Desktop Search and Google Desktop Search is a great way to be able to quickly find email messages. However, if you are not careful, fixing Microsoft Outlook problems these products my negatively affect Outlook’s and your computer’s performance. Be sure to configure them to only index the email messages and files which you need to be able to find quickly.

Outlook is crashing when the track email button is clicked OR Outlook debug logs show error "object ... If you're having trouble installing HubSpot Sales for Outlook, the troubleshooting steps listed here should help you get up and running in no time. 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. Sometimes when a user tries to search in Outlook, it either returns incomplete results, or returns nothing at all, even if you can see the email normally. Most times, this is caused by a corrupted search index, which you can rebuild.

If you're having problems sending or receiving email, read how to Fix Outlook.com email sync issues. The maximum number of recipients for an individual email through USNH IT mail servers is 300. If you try to send to more than 300 recipients in a single send, you will get an error similar to "This message wasn't delivered to anyone because there are too many recipients. The limit is 300." No matter how well written add-ins are (and even Outlook itself), there will always be the occasional Outlook problem that doesn’t seem to go away or may not be related to add-ins at all. You can read how to fix your Outlook problem on the internet, but sometimes the suggestions don’t work for your specific case.

Find solutions to common problems or get help from a support agent. Visit the small business help & learning page to learn how you can use Outlook and other Microsoft 365 apps and services in your small business. We love reading your suggestions on new features and feedback about how you use our products! To learn more about how to share your feedback, see How do I give feedback on Microsoft Office.

The information below covers issues with the Outlook desktop add-in pertaining to installing, updating, tracking and notifications, and obtaining debug logs. Get Help has troubleshooters for classic Outlook you can run for many common scenarios. If a troubleshooter is available for your issue, select Start to run that troubleshooter. Use the classic Outlook startup troubleshooter to resolve issues when classic Outlook for Windows is unable to start. Despite its popularity, Outlook is still software, and like all software, bugs, issues, and errors can occur fixing Microsoft Outlook problems at any time. Given Outlook’s popularity, we’ve decided to create a Hub especially dedicated to this particular topic where we will be providing you will all manners of troubleshooting guides.