> ## Documentation Index
> Fetch the complete documentation index at: https://labs.laer.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Document uploads

Document uploads add new files to a Collection or update existing ones, depending on the upload method. You can upload:

* **Native documents.** Original, unprocessed files.
* **Pre-processed documents.** Files that have already undergone processing outside Epiq AI.
* **Native overlays.** Updated versions of previously uploaded native documents.

Document uploads can include:

* **Text extraction**
* **Metadata extraction**
* **Audio transcription** for audio and video files

You can provide documents from:

* A **local folder**
* A **ZIP file**
* A supported **cloud storage source**