> For the complete documentation index, see [llms.txt](https://docs.ladybug.tools/ladybug-primer/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ladybug.tools/ladybug-primer/components/4_extra/open_file.md).

# Open File

![](https://894783789-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-LPHXQ1I3gb93zpLrLZf%2Fuploads%2Fgit-blob-56b24514306e1447b7efd060952ead1e31ddfde6%2FOpen_File.png?alt=media)

![](https://894783789-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-LPHXQ1I3gb93zpLrLZf%2Fuploads%2Fgit-blob-3f0feb67f9b15a357036dcb4b779e24b429aa7dc%2FOpen_File.png?alt=media) - [\[source code\]](https://github.com/ladybug-tools/ladybug-grasshopper/blob/master/ladybug_grasshopper/src//LB%20Open%20File.py)

Open a file in whatever program is associated with the file extension. This can be used to open simulation files in particular applications (eg. opening an OSM file in the OpenStudio Application).

### Inputs

* **file\_path \[Required]**

Full path to a file to be opened.

### Outputs

* **report**

Reports, errors, warnings, etc.