Prepare
The Quick Access Toolbar in MS Word typically contains common commands such as Save, Undo, Redo, Print Preview, and E-mail. While the other options can be added to the toolbar, they are also relatively standard:
However:
Therefore, Prepare is the command that is NOT present in the Quick Access Toolbar of MS Word by default.
MS Excel
MS Excel is a spreadsheet application developed by Microsoft and is part of the Microsoft Office Suite. It is used for data analysis, calculations, charting, and data visualization, but it is not an operating system.
The other options are all Operating Systems (OS):
Therefore, MS Excel is not an operating system.
Formatting
The Formatting toolbar in applications like MS Word includes options for altering the font size, font style, text alignment, and other text formatting features.
F5
Pressing F5 in MS PowerPoint starts the presentation from the beginning in full-screen mode.
PayTM
PayTM is a digital payment platform that allows users to make transactions like bill payments, mobile recharges, and money transfers. It is primarily used as a mobile wallet and financial services app, not for social media purposes.
The other options are all popular social media platforms:
Therefore, PayTM is not a social media platform.