Supported file formats and limitations

Last updated on Nov 26, 2025

Learn about the supported file types and current limitations for PDF Spaces in Adobe Acrobat.

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Supported content types

You can build a PDF Space using a wide range of content:

File formats: Files in PDF, DOCX, PPTX, XLSX, TXT, RTF, or VTT format.
Text input: Pasted text.
Cloud storage: Files imported from Google Drive and OneDrive on all platforms. Dropbox and Box imports are available only in Acrobat on desktop.
Web content: Public web links.

Note the following details that apply to each PDF Space:

Number of files: Each PDF Space can support up to 100 files.
Maximum file size: Each file can be up to 100MB.
Maximum pages: Each file can contain up to 600 pages.
Unsupported content: Password-protected files, videos, images with complex vector graphics, and handwritten notes are not supported.
Citation limitation: Citations are unavailable in the Insights dashboard when the app locale differs from the asset language.

PDF Spaces currently supports the following languages:

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