I am always surprised when people in writing classes proofread their documents in type this size. (For those who couldn’t read that phrase, it said "in type this size.") They stare at the screen, asking themselves "Do I have a comma or a semicolon there?" and "Is that a period or a blank space?" and "Does that name look right?"
To make proofreading easier, why not:
Make it big.
It isn’t necessary to change the font itself from 10 or 12 point to 16. You should be able to simply change your view of the screen.
In my version of Microsoft Office, I use the zoom feature. It allows me to zoom in to see any section of the page close up. When proofreading, I use the 100 percent setting. When zoom is set at only 50 percent, the details are more difficult to see.
My keyboard also has a zoom feature, which allows me to zoom in on the screen with one quick finger stroke.
Why squint at your screen, especially when proofreading? You don’t want your $1,000 offer to sneak by you as $11,000. Or what about "killing" the order when you hoped to be "filling" it? Your grammar and spelling checker won’t help you in either situation.
The success of your message depends on proofreading. Why not make it big?
Fest wishes, (just kidding)