When users open a meeting request they created and see the error message "Invitations have not been sent for this meeting" even though the meeting request was sent (and responses received from the recipients), they are often confused because the message was sent. Additionally, they may receive a message when they close the meeting invitation:
Using Natural Language Phrases and Date or Time Shortcuts
Using Outlook's Natural Language feature to create appointments, tasks, and filters.
The calendar shows the wrong day at the beginning or end of the month
The calendar shows the wrong day at the beginning or end of the month. The wrong day Is selected in Monthly View