Outside of the United States, the size is 5" by 11". You can use A4 paper for this. The number 8 is used for longer contracts. Business letters should be printed on company letterhead, which is 5" by ...

Besides, the new envelopes have only five sizes, compared with the original 10. Some rarely used sizes are abandoned. Paper quality is also standardized, as the old standard for paper quality was ...

Please note: Letter rates are only for normal business envelopes (sizes #6 or #10), which are no larger than 6-1/8" in height and 11.5" in length. Standard manila envelopes are considered large ...

But when you visit an office supply store, there isn’t a wealth of options. The standard paper size is 8.5 inches wide by 11 inches long. Which invites a bit of pulpy pondering: Who decided that?