For those occasions, here's a quick way to fold your letter into its own envelope. Sometimes you don't have any envelopes, and even more often you probably find yourself with the wrong size envelope.

And, it feels a little more special when you use pretty letter-writing paper ... Now you know how to fold paper into an ...

your letter should be folded properly into a standard business-size (No. 10) envelope. From the bottom of the letter, fold it up one-third of the way. Fold it up again from the top of the first ...

While some models stop there, others will insert the letter into an envelope. Exactly how much time can you save? In one hour, the average employee can fold and insert 120 single sheets into No ...

Instead, Mary cut a thin strip from the paper margin, before folding up her message into a small rectangle ... This is how you send a letter before the envelope is invented," explains Daniel ...