pst files are overwritten once a while and this can cause you to lose folders.
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.
This sends the folder to the 'deleted items' or trash folder. This happens when you drag and drop to perform another task and the folder ends up in an unknown location.
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