How do I format a floppy diskette?

Updated: 11/13/2018 by Computer Hope

Formatting a floppy diskette in Microsoft Windows

Computer floppy

To format a floppy diskette in Microsoft Windows, insert a blank diskette or a diskette you want to erase and follow the following steps.

  1. Open My Computer.
  2. In My Computer, right-click the 3 1/2" Floppy (A:) icon.
  3. Click the Format option.

Alternatively, you can format a floppy diskette from the Windows Command Prompt by following these steps.

Formatting a floppy diskette in MS-DOS

To format a floppy diskette at the MS-DOS prompt, insert a blank diskette or a diskette you want to erase and type the following command.

format a:

After pressing Enter, you should receive a prompt asking if you want to erase all the information on the diskette. If you want to continue, click Y or Yes to continue.

If you need additional information about the MS-DOS format command or available format switches, see the format command page.

Additional information