> For the complete documentation index, see [llms.txt](https://manuscript.knightsoftheeditingtable.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://manuscript.knightsoftheeditingtable.com/extensions/excalibur/compatibility.md).

# Compatibility

Excalibur works both on **macOS** **(10.14.5 and higher)** and **Windows**.

| application      | version             |
| ---------------- | ------------------- |
| **Premiere Pro** | **2020 and higher** |

{% hint style="info" %}
Premiere Pro CC2019 support is being tested.
{% endhint %}

{% hint style="warning" %}
**Premiere Pro 14.1.0** is not supported due to API bug. Whenever you will launch Excalibur, Premiere will crash.

**Premiere Pro 14.3.0** "Export Media", "Export Selected Clips" commands won't work due to API bug.
{% endhint %}