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What character separates the main part of a filename from its extention?

Answer:

The character is a "." (dot or period)

For example after the dot you will see each of these file extensions. Before the dot is the file's name.:

Diary.doc (.doc signifies the file Diary was created as a word document) Grandma.jpeg (.jpeg signifies this is a picture, possibly taken off a digital camera.) Calendar.indd (.indd signifies this is an Indesign file)

First answer by Rana829. Last edit by Rana829. Contributor trust: 1 [recommend contributor recommended]. Question popularity: 1 [recommend question].