On older iOS versions, you might not get a pop-up when holding an icon. When the download is done, open Outlook and sign in.Go to the “App Store”, search for Outlook, and tap the cloud icon to install it.You’ll be prompted to either delete the app or just remove it from the home screen.On your home screen, tap and hold the Outlook app until a pop-up menu appears.Reinstalling the app lets it refresh all data and fix any temporary bugs. Let’s see some options for dealing with this, again starting with the simplest one. If your iOS Outlook app isn’t working, it could be due to a bug with the app itself or an OS issue. Uncheck the box next to Run this program in compatibility mode for:.Right-click on the Outlook icon and go to Properties.One thing you can try if the above methods aren’t working is to disable compatibility mode, especially if you recently updated to Windows 10. The program might not update instantly, but it will work in the background, so you can minimize it and keep doing other work in the meantime. Expand the Update Options drop-down menu, and click Update Now.Click the File button in the upper-left corner of the window.In this case, you should first open Outlook in Safe Mode and then update it by following these steps. The problem is that you need to access Outlook to update it, which you may not be able to do. Updating an app is a surefire way to deal with bugs and ensure it works properly. If you need some add-ins, you can enable them again by following the above steps and checking the boxes next to them. Uncheck the boxes next to the add-ins you want to disable and click Remove.Īfter disabling the add-ins that might be causing the issue, restart Outlook.

Click File in the upper-left corner of the app’s window.

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