Are you having trouble starting Outlook or receiving "Cannot start Microsoft Outlook. Cannot open the Outlook window" error messages? We can fix Outlook problems (fixoutlookhelp.wordpress.com) the problem for you, or you can use the troubleshooting steps we're providing below to help resolve these startup issues. Since your app doesn’t open, you’ll have to use another Office app on your PC to trigger the update. This is because when you update one Office app, it automatically updates all other Office apps on your PC. When your cache files are deleted, launch Outlook, and the app should open without problems.

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.

Outlook will detect this and asks if you want to start Outlook in Safe Mode. Select "Update Options" and then choose "Enable Updates". If prompted to allow Outlook to make changes to your computer, select Yes.

The good news is that most "Outlook won’t open" errors can be resolved with a few proven troubleshooting steps. If the above fixoutlookhelp.wordpress.com steps, especially ScanPST.exe, fail to resolve the "Outlook won’t open" error, your Outlook data file is likely severely corrupted or extensively damaged. In such critical situations, a specialized and reliable professional tool like the Aryson Outlook PST Repair Tool becomes the best solution. Yes, you can often fix Outlook without reinstalling Office.

We can fix the problem for you, or you can use the troubleshooting steps we're providing below to help resolve these startup issues. A corrupted profile, a damaged PST file, faulty add-ins, or improper Outlook startup settings often cause this issue. 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). If Outlook worked correctly the last time and nothing has changed about your account configuration, then checking if things work correctly in Safe Mode is a good first step.

Sometimes you send an email and discover later that it is not delivered to the intended recipient. By following this checklist, you can systematically troubleshoot and resolve most common email sending issues. 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. 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.

It's incredibly common to have Outlook crash because of a corrupted PST file. Add-ins are a pretty frequent culprit for Outlook lagging issues because they are meant to provide additional functionality, but they put additional pressure on loading time. There is nothing worse than when you are working on something important, you go to send off an email, and Outlook freezes or you see that dreaded "not responding" message. Sometimes, it may be your Outlook app itself that is damaged.

In this case, you can reset your view settings before opening the fixoutlookhelp.wordpress.com app. Select your Microsoft Office installation on the list and choose "Change" at the top. In this case, open Outlook in safe mode where your add-ins aren’t loaded and remove any suspicious add-ins. In most cases, Outlook doesn’t tell you why it isn’t opening, which leaves you guessing as to what has caused the issue. Due to underlying system or PST issues, Outlook may crash, freeze, or not function properly. Find solutions to common problems or get help from a support agent.

Occasionally, classic Outlook tries to run a process in the background. Auto-archive, sending and receiving a very large attachment, or running some of the other mailbox tools can all be done in the background. Check the status bar at the bottom of the screen to see if another process is running. If so, wait a short time (usually two or three minutes) to see if Outlook starts working again. If you can't choose any of the menu options, type inside an email message, calendar event, or contact, Outlook may have frozen. There are three steps you can take to try to get Outlook working again.

If those steps don't work, see Need additional help? There are a number of possible reasons for Outlook to behave this way. We've presented the potential solutions in order from quickest to most time consuming. To manage your mailbox by using the AutoArchive feature, see AutoArchive settings explained. We recommend that you move several items in your larger folders to separate folders, or that you archive those items by using the AutoArchive feature.