Filenames Don’t Need Punctuation. Period.

Length is not the only issue affecting proper naming of files. There are certain characters—even certain names—that should be avoided. A good rule of thumb is this: Don’t include any characters traditionally used in comic strips to indicate profanity, such as !@#$*% (pardon my language). Stick to solely alphanumeric contents—uppercase and lowercase letters, coupled with numerals, spaces, underscores, and hyphens. There’s an urban myth that spaces are forbidden in filenames, but this doesn’t usually matter in a graphics/print environment. In Web work, however, it’s best to omit spaces from file names, because some server platforms don’t correctly handle spaces: A space will be replaced with the characters ...

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