Outlook 2016 opens with “Something is wrong with one of your data files and outlook needs to close. The solution was as follows: In regedit, go to: Computer\HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\PSTDelete the following two keys: LastCorruptStore and PromptRepairStart Outlook That’s it. Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to email this to a friend (Opens in new window)Click to print (Opens in new window)MoreClick to share on Reddit (Opens in new window)Click to share on LinkedIn (Opens in new window)