Invalid XML, the view cannot be loaded." How to fix "Cannot start Microsoft Outlook" issue - universal solutions Outlook 2003: " Cannot start Microsoft Office Outlook. The information store could not be opened." Outlook 2007: " Cannot open your default e-mail folders. Outlook 2010: " Microsoft Outlook has encountered a problem and needs to close. There may be a few variations of this message depending on which Outlook version you use. ost) was deleted or damaged as the result of incorrect uninstallation or reinstallation of Outlook.Īnyway, whatever the reason is, the outcome is the same - you cannot open the Outlook window because of this error: " Cannot start Microsoft Outlook. Other reasons may be when you run Outlook in the compatibility mode, or if you are using a profile created in an older Outlook version, or if the Outlook data file (.pst or. No one knows the exact reason why this happens, but all versions of Microsoft Outlook from 2003 to the newest Outlook 2019 may be affected. A good indication that the file is corrupted is when its size is 0 KB. The main symptom of this problem is very obvious and easily recognizable: you click Outlook's icon, an hourglass appears and is hanging for a while, and then you get the "Cannot start Microsoft Office Outlook" error.Īccording to Microsoft, the major cause of this issue is a corrupted Navigation Pane settings file - profilename.xml, where "profilename" is the name of your Outlook profile. "Unable to start Microsoft Outlook" error - causes and symptoms
If you are interested in learning more about any of the Microsoft Office Suite applications, visit the Office 365 Training Center.Cannot open your Outlook 2013, Outlook 2016 or Outlook 2019? In this article you will find really working solutions for "Cannot start Microsoft Outlook" problem that will help you have your Outlook up and running again with no errors.
Visit Microsoft's Support page for a more in depth overview of the features, similarities and differences in the Outlook apps.Ĭompare Outlook for PC, Outlook on the web, and Outlook for iOS & Android Outlook for PC, Outlook on the web, and Outlook for iOS & Android The desktop client is more robust and has more features available, but for the most part you are able to do the same basic functions in each application. Instructions for logging into the Outlook Web App. The web version of outlook is accessed by signing in through browser instead of opening an application. You do not need to manually configure any settings to access your email for the first time. When you first launch the application, make sure you sign in using your (employees) and (students). Generally a desktop application has more robust features and options available than a mobile or web app. The desktop version of Outlook is locally installed on the computer. Outlook is the email application through Microsoft 365. The Outlook Desktop Client (installed software)