Files that are located in your personal folder i.e.This also includes the corruption of your Outlook personal file. When system files are corrupted, there is every likelihood that folders can go missing from Outlook. Consequently, your Outlook folders may not appear on your computer's desktop. Folders can disappear due to connection error which will cause your account not to sync with the server.Folders can disappear from your Outlook because of recent changes to your device, especially updates to higher operating systems like Windows 10 or higher Office Outlook like Outlook 2016.This sends the folder to the 'deleted items' or trash folder. The folder may have also been accidentally deleted from your Outlook.This happens when you drag and drop to perform another task and the folder ends up in an unknown location. You may have moved the folder from outlook per accident into an unknown folder.Folders disappear in Outlook because of the following reasons: MORE POSSIBLE FIXES TO OUTLOOK FOLDERS MISSINGįor every problem, there is/are a factor(s) responsible. HOW TO SEARCH FOR A FOLDER IN OUTLOOK AFTER MOVING