A file extension, also called a filename extension, is the suffix at the end of a filename, which indicates
For example, you can tell that the file "computer.jpg" is a JPEG image file, based on the ".jpg" file extension.
Similarly, you can tell that "readme.txt" is a text document and "document.docx" is a Microsoft Word document. Knowing what extensions common file types use can be helpful.
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A file format is a particular way that information is encoded for storage in a computer file.
For example, you can tell that the file "computer.jpg" is a JPEG image file, based on the ".jpg" file extension.
Similarly, you can tell that "readme.txt" is a text document and "document.docx" is a Microsoft Word document. Knowing what extensions common file types use can be helpful.
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