# What is the file extension for dot file?

**URL:** <https://forum.graphviz.org/t/what-is-the-file-extension-for-dot-file/35>\
**Category:** Help\
**Created:** [April 12, 2020, 1:07am UTC](https://forum.graphviz.org/t/what-is-the-file-extension-for-dot-file/35 "2020-04-12T01:07:07Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![erg](https://sea2.discourse-cdn.com/graphviz/user_avatar/forum.graphviz.org/erg/32/34_2.png) [@erg](https://forum.graphviz.org/u/erg)\
**Post date:** [April 13, 2020, 3:35pm UTC](https://forum.graphviz.org/t/what-is-the-file-extension-for-dot-file/35/4 "2020-04-13T15:35:47Z")

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Graphviz also was developed in the Unix environment, where files just contain data that can be processed by any tool as part of a pipeline, whether the tool is neato, gvpr, wc or cat.

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