For quick access to Office 365 apps that contain information on learning tips, keyboard shortcuts, and different features, click on the links down below:
Outlook Cheat Sheets (Microsoft PDF Documents)
Windows Downloadable Guides (Microsoft PDF Documents)
Mac Downloadable Guides (Microsoft PDF Documents)
Reference: https://support.office.com/en-us/article/office-cheat-sheets-61abfe7b-1c43-483c-b82b-3806d80e027e