For AI agents: a documentation index is available at the root level at /llms.txt and /llms-full.txt. Append /llms.txt to any URL for a page-level index, or .md for the markdown version of any page.
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DocumentationAPI ReferenceModel VersioningChangelog
DocumentationAPI ReferenceModel VersioningChangelog
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      • How Credits Work
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General

Supported File Types

We support the following file types:

Document TypeSupported Extensions
PDF.pdf
Images.png, .jpg, .jpeg, .tiff, .tif, .svg, .heic, .heif, .bmp, .gif, .webp, .psd
Microsoft Excel.xls, .xlsx, .xltm, .xltx, .ods
Microsoft Word.docx, .doc, .wpd, .dotx, .odt
Microsoft Powerpoint.pptx, .ppt, .ppm
CSV files.csv
Text files.txt, .html, .xml, .rtf, .lis, .md
Email files.eml
Other formats.pcx

If you need to support a file type that is not listed here, please reach out to the Extend team.

Password-protected PDFs are supported. See Password-Protected Files for how to provide the password in your request.

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