> For the complete documentation index, see [llms.txt](https://docs.cascade.io/cascade/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cascade.io/cascade/tools/import/import_file.md).

# Import File

Import File allows local files or those around the web to be pulled into Cascade.

To upload a file, simply click the gray upload box or drag and drop your files onto the dropzone. To import from a URL, simply enter the URL into the field and click Import.

Cascade accepts the following file types:

* XLS or XLSX
* CSV
* TSV
* SAV
* HYPER (Tableau)

If a file is pulled from a URL, data will refresh every time the workbook is run. If the file at that URL no longer exists, the connection will be broken.

When uploading an XLS/X file with multiple tabs, Cascade will create individual tables for each tab in the file. 

Cascade's file size limit is 2GB.

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