Anyone who has manually folded letter knows the enormous amounts of time these tasks required. Letter folding machine provides a quick way to prepare materials for stuffing envelopes, so this time-cosuming process can be easier for people.

Letter folding machine reduces the amount of time spent in preparing large volumes of outgoing mail for mail rooms or small businesses. Letter folding machines are also useful for creating folded booklets or other complex pages.

Low-end equipment letter folding machines are usually fed manually. Generally speaking, a user only can keep pace with one stuffing envelopes. This can result in a speed as fast as a few hundred pieces per hour.

High-end letter folding machine automates operating at speeds ranging from 1,500 to over 4,000 sheets per hour. These models typically include an automatic paper feeder for faster operation.

Letter folding machines can do certain types of folds, including the standard business letter folds (sometimes referred to as c), the folds of accordion (a z-fold), double folds, single folds, angle folds, and fold brochure.

Most machines can fold several sheets of paper together at once. However, feeders usually have trouble handling sheets stapled. This means you may need to feed stapled sheets through the folders manually.