Question

Which sentence correctly forms the plural of the letters PDF?

A.
Changing documents into PDF's isn't too difficult.

B.
Changing documents into PDFs' isn't too difficult.

C.
Changing documents into PDFs isn't too difficult.

Answer 1

Is it "C"?

Answer 2

@Ashsmashum1290 @emilybbydoll @jeffyblood @lizz123

Answer 3

@TheSmartOne

Answer 4

hmm....

Answer 5

I would say C but I no sure

Answer 6

ask @TheSmartOne he might know

Answer 7

I'm not sure. But C seems correct to me.

Answer 8

okay then C it is @chillout_WAZZAH

Answer 9

THX