Apply sensitivity labels to your files and email - Microsoft Support
The sensitivity bar makes it easy for you to see what label is applied to your file, and to apply or change a label whenever you need to, including when saving the file. Just select the sensitivity bar in the save dialog to see the labeling options for this file.
Sign in to Office - Microsoft Support
Sign in to www.office.com from a web browser and start using the apps on the web or access other web services associated with your account such as OneDrive. How you sign in to an installed Office app depends on your device.
Improve accessibility with the Accessibility Checker
Before you send an Outlook email message or share a Word document, Excelspreadsheet, PowerPoint presentation, or OneNote notebook, run the Accessibility Checker to make your content easier for people to read and edit.
How to correct a ##### error - Microsoft Support
Change negative formula results that are formatted as dates or times to a different number format. Microsoft Excel might show ##### in cells when a column isn’t wide enough to show all of the cell contents. Formulas that return dates and times as negative values can also show as #####.
Access your Account Privacy Settings - Microsoft Support
Go to the File tab, select Account (or Office Account in Outlook) in the bottom of the left pane, and then choose Manage Settings. To access your privacy settings in the new Outlook for Windows: On the View tab, select View settings and choose General. Select Privacy and data then choose Privacy settings.
Create a simple formula in Excel - Microsoft Support
Overview of formulas in Excel. SUM function. How to create simple formulas in Excel using AutoSum and the SUM function, along with the add, subtract, multiply, or divide values in your worksheet.
Get started with Python in Excel - Microsoft Support
To begin using Python in Excel, select a cell and on the Formulas tab, select Insert Python. This tells Excel that you want to write a Python formula in the selected cell. Or use the function =PY in a cell to enable Python.