Usage Note
Dateiendung (also Dateiformat-Erweiterung) is the suffix after the dot in a filename (e.g. .pdf, .jpg). The operating system uses it to determine which application should open the file.
Examples
"Die Dateiendung .pdf zeigt an, dass es sich um ein PDF-Dokument handelt."
Natural Translation
The file extension .pdf indicates that it is a PDF document.
Literal Translation
The file-ending .pdf shows that it is a PDF document.
Related Words
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