format

The layout of a publication or document.

The older manuscripts had been written in a much larger format than that found convenient for university work.

The form of presentation of something.

The type of programming that a radio station broadcasts; such as a certain genre of music, news, sports, talk, etc.

The radio station changed the format of its evening program.

A file type.

To create or edit the layout of a document.

Change a document so it will fit onto a different type of page.

To prepare a mass storage medium for initial use, erasing any existing data in the process.

I lost weeks of work when I inadvertently formatted my hard drive.