NewOutlook
Outlook: Calendar mini-month non-consecutive date selection updates
Users can now select multiple non-consecutive dates in Outlook's calendar mini-month using Shift+Click or CTRL+Click for easier date navigation and bulk actions.
Microsoft's description
You can now use Shift+Click or CTRL+Click to select non-consecutive dates in the calendar mini-month. This will allow you to easily view and take action on the dates you care about. #newoutlookforwindows