file extension
Document type indicator
A file extension is the suffix at the end of a filename, typically following a period, that indicates the file's format or type: .pdf, .jpg, .docx.
Operating systems and applications use extensions to determine how to open or handle files.
I couldn't open the attachment because I didn't recognize the file extension.
association
Official record of entries
- handlerOne who manages something
- iconPictorial screen symbol
- metadataDescriptive information about content
- recognitionPerceiving something as known
registry
Official record of entries
.com
Commercial domain extension
- extensionsadd-on, appendix, appendage, annex, supplement
- digital imagingpixel, pixels, resolution, JPEG, bitmap
- filesystemsfilesystem, directories, FAT32, folders, parent directory
- Shorteningsabbreviation, acronym, initialism, contraction, truncation
- data formatsJSON, XML, CSV, YAML, HTML