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

# Autodesk IFC Manual

The Autodesk Revit IFC Manual was first published as a PDF in 2018 and was updated in 2021. In 2023, it was moved to Gitbook to allow for more frequent updates and easier accessibility.

All pages that were updated after the release of the last PDF version in 2021 are marked with 🟢.

#### **Latest Updates and recommended reading:**  

{% content-ref url="/pages/cg4u43LOT7p1IQaId2HI" %}
[New in Revit 2026](/revit/new-in-revit-2026.md)
{% endcontent-ref %}

{% content-ref url="/pages/ZAHlAEw9Hn34rVAkSfHR" %}
[New in Revit 2025](/revit/new-in-revit-2025.md)
{% endcontent-ref %}

{% content-ref url="/pages/WvVLwT466FIlbHXg8t2w" %}
[IFC Export - Category Mapping](/revit/ifc-export-category-mapping.md)
{% endcontent-ref %}

{% content-ref url="/pages/2RLnGD7undh0a7emKWC3" %}
[Link IFC](/revit/using-ifc-files-in-revit/link-ifc.md)
{% endcontent-ref %}

{% content-ref url="/pages/5tsBAs7p8RnT5R4XfQk9" %}
[User Defined Properties](/revit/ifc-export-settings-dialog/property-sets/user-defined-properties.md)
{% endcontent-ref %}

Currently, the manual is available in English only. Please use [*Google Translate*](https://translate.google.com/) if needed: 

<figure><img src="/files/iazmsBnkIIGDxRnkpiSx" alt=""><figcaption></figcaption></figure>