Meeting requests sent from an Apple device go directly to the recipient's iCloud calendar, not to the email account's own calendar.
Outlook Folder Homepages are missing
In the Outlook update released on October 10 2017, Folder Homepages were removed to close a security vulnerability. Folder Home pages can be restored by setting a registry key.
Custom Form Security Changes
Tighter security on Outlook Custom forms breaks VBScript in the forms and some controls. Set a registry key to enable these features.
Outlook 2007/2010 menus are in the wrong language (Fixed)
After installing the September 12 2017 update for Outlook 2007 or Outlook 2010, some users were surprised to discover the language used for the menus and dialogs changed to another language.
Advanced Find is not going away just yet
Users with the Insider builds noticed that Advanced Find is missing. This isn’t a bug; it was intentionally removed in preparation for improvements in search coming later this year.
Can you control which addresses are listed in autocomplete?
Can you enable autocomplete, address by address, so Outlook saves in autocomplete only some of the addresses you send mail to?
Separate Outlook's Send and Receive functions
How to use Send and Receive groups to separate send and receive actions for your Outlook accounts.
Create a No-Mail account in Outlook 2016 and newer
Create a "no mail" in Outlook 2016 to use it as a PIM (personal information manager) for your calendar and contacts.
Processing Meeting Requests
A user wanted to accept meetings and leave a copy of the meeting invitation in his Inbox.
Tasks: Remove from List or Delete?
Using Remove from List, Delete, or Complete in Outlook's To-Do List.