If your Outlook profile is listed under the Privacy tab, Spotlight will not index it. There are different steps to take if you are on Windows (you'll need to locate the Search Index) or Mac (use Spotlight). First, let's read about how to check if Outlook is indexing on Windows.
For a list of antivirus software vendors, see Consumer antivirus software troubleshooting Outlook startup issues providers for Windows. If the problem doesn't occur after you restart Outlook, one of the add-ins is likely the cause of the problem. Restore the add-ins one at a time until the problem does occur to determine which add-in is causing the problem. Although add-ins can enhance your user experience, they can occasionally interfere or conflict with Outlook. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.
Sometimes, Outlook might not work if other Office-related processes are still running. You can end all office-related processes in task manager to ensure a fresh start. Begin by creating a brand-new profile for Outlook and set it up with a POP email account. If it opens successfully, the problem isn’t with Outlook but with the PST file from your previous account, which can be damaged. You must have at least three user accounts on the computer to complete these steps. If your antivirus software isn't up-to-date, Outlook may not function correctly.
We have multiple tools to help you automatically diagnose an issue, troubleshoot, and fix problems with Outlook. If Startup Repair detects any of these issues, it will attempt to fix them automatically. If it cannot fix the problem, it will provide a detailed report of the issues it found.
Third-party add-ins are helpful… until they’re not. Outdated or conflicting ones can mess with Outlook’s core performance, causing unexpected slowdowns or outright failure to launch. Create your account and connect with a world of communities.
Download the latest updates by visiting your antivirus software vendor's website. Are troubleshooting Outlook startup issues 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.
The funny thing is that troubleshooting Outlook startup issues the new "modern" Outlook worked fine, though, which made things even more confusing. We looked at the sign-in logs, tested new accounts, and eventually found what was really going on. Microsoft Outlook is one of the most widely used email clients globally, especially in professional and business environments. Outlook also comes with strong built-in security features, making it a reliable choice for managing communication and workflow.
If your Outlook crashes when opening troubleshooting Outlook startup issues or on startup or even if Outlook stucks at Processing, you can fix it by opening Outlook in Safe Mode. To open Outlook in Safe Mode, follow the instructions below. You can determine if it's corrupted by creating a new profile and changing which profile is used when Outlook starts. If Outlook is NOT able to start in safe mode, then try the next proposed solution below, entitled Create a new Outlook profile. Then, each item in your calendar folder is checked for known problems that can cause unexpected behavior, such as meetings that seem to be missing.
Should you decide to remove a profile, back up the data files first. All offline cached content will be deleted when you choose Remove. For more information, see Introduction to Outlook Data Files (.pst and .ost).
Or, you can disable any antivirus software add-ins troubleshooting Outlook startup issues that are installed in Outlook. 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. I'm having an issue with one Outlook 365, the program open and get stuck at loading the user profile, any profiles.
This happens to accounts that are configured in the iOS Mail app. The loading of unregistered MAPI services has been disabled by default to make Outlook more secure. To access the calendar shared with your Microsoft 365 for business account, you'll need to accept the invitation from Outlook on the web, iOS, or Android. If you've already clicked the Accept button in Outlook 2016, you won't be able to re-accept the invitation from another Outlook application. The person who sent you the invitation will need to remove your permissions and then send a new invitation. 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.
Currently, you can't use Outlook on Windows to edit calendars that are shared with your Outlook.com account, even if you've reconnected your Outlook.com account to Outlook. We're working to make it possible to edit shared calendars in Outlook 2016 for Windows. If you manually type in the secondary connected account email address in the "From" field, the email is sent as "On behalf of" your primary Outlook.com account. You can use troubleshooting Outlook startup issues Microsoft Support and Recovery Assistant to diagnose both Calendar and Mail issues that affect Outlook. To download and install the Assistant, see About Microsoft Support and Recovery Assistant. In some cases, an Outlook messaging profile may be misconfigured.