# File Tab

## Content

The **File** tab has options for opening and saving files as well as default templates.

![](https://gcdocumentsitekrblob.blob.core.windows.net/document-site-files/images/8d606653-16a0-474d-b9dc-e2b4d01c2446/images/filetab.png)

You can use the **Save** or **Save As** option to save to a JavaScript (.js) file. This file type can only be loaded with the [fromJSON](/spreadjs/api/v16/classes/GC.Spread.Sheets.Worksheet#fromJSON) method.