Forum Moderators: not2easy
In system versions before Mac OS 9, file names can have up to 31 characters. When we talk about long file names in the Macintosh, we usually mean names longer than this 31 characters limit. In Mac OS 9 and later, including Mac OS X, file names can have up to 255 Unicode characters (Unicode is an international standard using 2 bytes per character and allowing to represent most written human languages).
The HFS+ file system and Mac OS 9 support file names of upto 255 unicode characters, previous versions only supported 31 character names. But most applications do not yet support the longer names, the finder doesnt even support them. So, at this time you cant really use names longer than 31 characters, even though the underlying file system supports them.
On the 'Save For Web' window, on the very top right hand corner of the 'Preset' section, there's an arrow. Clicking on that arrow and go to 'Edit Output Settings'. On the 'HTML' drop down, change it to 'Saving Files' and uncheck 'Mac OS 9'. This will let you save as web w/ the file names more than 27 characters.