What is 8.3 filename format

The 8.3 name format is a short way to name the limitations to the length and the characters that can be used in FAT file system, which is the one used in a SmartMedia card when using it with a GP32.

The 8.3 format means that the name of a file or directory must have, at a maximum, 8 characters (letters) in the name and then, separated by a period ".", one extension made by a maximum of 3 characters.

The valid characters to use within the name or extension include any combination of letters (A-Z) and/or numbers (0-9) and/or the special characters:

$ Dollar sign
% Percent sign
' Apostrophe
` Opening single quotation mark
- Hyphen
@ At sign
{ Left brace
} Right brace
~ Tilde
! Exclamation point
# Number sign
( Opening parenthesis
) Closing parenthesis
& Ampersand
_ Underscore
^ Caret