Tasks disappeared in the To-Do Bar and To-Do List after installing the January 2018 Outlook update when using a group by date view.
Outlook for Mac: Two spaces autocorrect to a period
Outlook for Mac: Two spaces are replaced by a period when typing.
Outlook’s New Account Setup Wizard
The newest builds of Outlook 2016 have a new, simplified account dialog. If you prefer to use the older add account dialog, you can set a registry key. This key is needed if you need to create a send-only account.
Send Out of Office Replies with Outlook.com, POP, or IMAP accounts
We are often asked: "Can I create an "out of office" message if I'm not on a Microsoft Exchange server?" Yes, you can do it using a rule that replies using a specific template, but it's often better to set up a "vacation reply" on your email server. (Many POP3 and IMAP mail servers support
Stop automatically assigning categories to all messages in a thread
How to avoid categorizing all messages in a thread when you categorize a message.
Add Lunar, Sunrise, Tidal, and Weather Calendars
Add moon phase, sunrise, sunset or tidal calendars to Outlook.
Emails are not shown in the People Pane (Fixed)
Following the installation of Windows 10 Fall Creator's Update (version 1709), Outlook doesn't show recent messages, appointments, or attachments in the People Pane.
How to delete Autocomplete’s Other Suggestions
How to delete Other Suggestions from Outlook's new Autocomplete list.
iCloud Add-in is not listed in Outlook Add-ins
The problem: iCloud doesn't sync because the iCloud addin is not listed in Outlook's Addins.
Contact Groups aren’t listed in autocomplete
Contact Groups are missing from Outlook 2016's autocomplete list.