Outlook add-ins or other programs could be preventing Outlook from closing properly. While manually ending Microsoft Outlook's process -- Outlook.exe -- using the Windows Task Manager can help close ...

For how long? Outlook does some housekeeping the the PST/OST file on your computer after you close the client itself. I've seen this take more than a minute in certain rare cases.

Microsoft Outlook is a nearly ubiquitous presence in PC computing — and, seemingly, a universally reviled one. Outlook has countless features, ranging from e-mail gathering to calendaring, contact ...

Some Outlook users have reported experiencing the Out of memory or system resources error on Windows 11/10. Outlook crashes and closes as this error is triggered. The ...

Although there are several options for calendar apps for Windows, Outlook automatically comes bundled with a calendar. Many users stick with it for simplicity alone, as well as automatic integration ...

This is an undesirable program. This file has been identified as a program that is undesirable to have running on your computer. This consists of programs that are misleading, harmful, or undesirable.