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

# Compression Matrix

> Compression capabilities for each supported document type

### What is compressed in each document type?

Compression is a licensed feature that reduces file size before attaching to your email.

| Type        | Metadata Compression | Zip Compression | Lossless Image Compression |
| ----------- | -------------------- | --------------- | -------------------------- |
| PDF (PDF/A) | Supported            |                 |                            |
| DOC         | Supported            |                 |                            |
| DOCX        | Supported            | Supported       | Supported                  |
| XLS         | Supported            |                 |                            |
| XLSX        | Supported            | Supported       |                            |
| PPT         | Supported            |                 |                            |
| PPTX        | Supported            | Supported       | Supported                  |
| JPG (JPEG)  | Supported            |                 | Supported                  |
| PNG         | Supported            |                 | Supported                  |

<Note>
  DOC, XLS, and PPT refer to the legacy Microsoft Office binary formats (97-2003). DOCX, XLSX, and PPTX refer to the modern XML-based Office Open XML formats (2007+).
</Note>