Windows 95 supported file names up to 255 characters in length.
In DOS, 8 characters.In Windows, 254 characters.
A filename in windows XP can have up to 255 characters.
These characters here: \ / " * ? < > | Everything else is fair game.
On FAT16 partitions, you are limited to 8 characters for the name plus 3 for the file extension. If you have FAT32 and a capable kernel, you can use up to 255 characters in total as a file name.In the original MS-DOS of the pre-Windows 95 era, filenames were only allowed to have 8 letters, followed by a period '.', then only 3 letters for the file extension.After Windows 95, filenames can have a maximum of 255 characters.
This page website contains list of characters not allowed in a filename on windows, mac, Linux/unix http://www.comentum.com/File-Systems-HFS-FAT-UFS.HTML
On FAT16 partitions, you are limited to 8 characters for the name plus 3 for the file extension. If you have FAT32 and a capable kernel, you can use up to 255 characters in total as a file name.In the original MS-DOS of the pre-Windows 95 era, filenames were only allowed to have 8 letters, followed by a period '.', then only 3 letters for the file extension.After Windows 95, filenames can have a maximum of 255 characters.
The following symbols can not be used in a windows file name:\*:?/>
Any file name can not contain /, \, *, ?, :, |, ", < or >..
That is ur wish type it as long as u can then the file name is that long in windows & is this a question of absolute Necessity
260
About 260 characters.