Tag: ost cannot be opened

Microsoft Outlook 2013 can be finicky with add-ins. IMHO it’s more touchy about them than Outlook 2010, but that’s open to debate. Long story short, Outlook 2013 on Windows 7, 8 and 8.1 can run into issues where it doesn’t terminate all processes after a user closes the program. Consequently, the user no longer sees…