Windows supports long file names up to 255 characters in length.
Windows also generates an MS-DOS-compatible (short) file name in
8.3 format to allow MS-DOS-based or 16-bit Windows-based programs to
access the files.
Windows generates short file names from long file names in the
Note that if a folder or file name contains a space, but less than eight
characters, Windows still creates a short file name. This behavior may
cause problems if you attempt to access such a file or folder over a
network. To work around this situation, substitute a valid character, such
as an underscore (_), for the space. If you do so, Windows does not
create a different short file name
For example, "Afile~1.doc" is generated from "A file.doc" because the long
file name contains a space.
No short file name is generated from "A_file.doc" because the file name
contains less than eight characters and does not contain a space.
The short file name "Alongf~1.txt" is generated from the long file name "A
long filename.txt" because the long file name contains more than eight