A family of Microsoft word processing software products for creating web, email, and print documents.
You can't. But, you can come close.
- Select the entire document (Ctrl+A) and click on the proofing language in the Status Bar.
- Check the box to not check spelling and grammar.
If you do not have the proofing language in the Status Bar, right click on it and add that to the Status Bar.
If you simply type in the document, the "do not check" setting will apply to what you type. If you paste text into it, repeat steps 1 & 2.
If you want it to also apply to the headers and footers, open one for editing and repeat steps 1 & 2 before closing the Headers/Footers.
See Mastering the Spelling Checker by Suzanne Barnhill, MVP.
The check for capitalization is not a spelling option but AutoCorrect.
You can turn off AutoCorrect, but that applies to all documents.
That is what controls the checking for Capitalization of sentences. You can turn off just the capitalization control, but again, this applies to all documents, not just the current one. You would uncheck the options shown.
Capitalizing the first letter applies to anything that Word thinks is a sentence or the start of a table cell. For Word, when you press the Enter key, you end a sentence and start a new one.
If you notice a correction as it happens, Ctrl+Z will undo it.
If you would like, I can supply you with macros to turn these on and off, but not automatically. You would have to call the macros, perhaps with a keyboard shortcut.
This is a user-to-user support forum, not a place to tell Microsoft what is wrong with their products. For that, use one of the Feedback mechanisms.
Giving Feedback on Microsoft Word or other Microsoft Products