axx

.axxAcrobat Capture XML

Adobe · 2000s

Developer
Adobe
Category
Documents
MIME Type
application/vnd.adobe.aix
First Released
2000s
Open Format
No
File Signature
None commonly defined for general use, relies on file extension and context.
At a Glance
.axx
Acrobat Capture XML

.axx files contain metadata for scanned documents processed by Adobe Acrobat, including OCR data and layout information.

Reviewed on July 21, 2026
Compression
Varies (XML is text-based, associated images may be compressed)
Transparency
N/A
Editability
Medium (within Adobe Acrobat)
Best for
Scanned document metadata

Key Features

  • Stores OCR results and text recognition data.
  • Contains layout and formatting information for scanned pages.
  • XML-based structure for metadata.
  • Used in conjunction with scanned image files.

Best For

  • Storing metadata for Adobe Acrobat scanned documents.
  • Preserving OCR results and layout analysis.
  • Enabling advanced search capabilities on scanned documents.

Less Ideal For

  • Storing actual image or document content.
  • Cross-platform document sharing without Adobe software.
  • General-purpose text storage or exchange.
  • Creating image or vector graphics.

Common Use Cases

  • Archiving and managing scanned documents.
  • Enabling searchable PDFs from scanned images.
  • Retaining OCR and layout data for future editing.
  • Facilitating document re-processing with Adobe Acrobat.

How to Open It

  1. Open the .axx file using Adobe Acrobat Pro or Adobe Acrobat Capture.
  2. The .axx file is typically opened automatically when you reopen a scanned document project in Acrobat.
  3. If prompted, ensure the .axx file is in the same directory as its associated scanned image files.
  4. It's not meant to be opened directly as a standalone document.

What is a .axx file?

The .axx file format is an XML-based metadata file used by Adobe Acrobat Capture and its successor, Adobe Acrobat Pro. It stores information about scanned documents, including OCR (Optical Character Recognition) data, layout analysis, and other processing parameters. While it's not a document format itself, it's crucial for reconstructing and refining scanned documents processed by Adobe's tools. Essentially, it acts as a blueprint for how Acrobat should interpret and present the scanned content. Without the associated scanned image files, the .axx file is largely useless on its own.

Programs That Open .axx Files

PlatformProgram
WindowsAdobe Acrobat ProPaidOfficial
Adobe Acrobat CapturePaidOfficial
macOSAdobe Acrobat ProPaidOfficial

How to Convert .axx Files

FormatMethod
.PDFAdobe Acrobat Pro

Common Problems with .axx Files

⚠️ Cannot open .axx file.
Ensure you have Adobe Acrobat Pro or Acrobat Capture installed. The .axx file needs its associated scanned image files to be present.
⚠️ .axx file seems empty or shows code.
This is expected if you try to open it in a standard text editor. It's metadata for Acrobat and not a human-readable document.

Frequently Asked Questions

Can I edit an .axx file directly?

You can edit the *document information* contained within the .axx file, but only through the Adobe Acrobat interface. Direct XML editing is not recommended for end-users.

What is the difference between .axx and .pdf?

.pdf is the final, viewable document. .axx is a metadata file created during the scanning and OCR process in Adobe Acrobat, storing information about that process.

Do I need the original scanned images if I have the .axx file?

Yes, the .axx file relies on the original scanned image files (like TIFF or JPG) to reconstruct the document within Adobe Acrobat.

Technical Details

An .axx file is an XML document that holds configuration and processing data. It describes the structure and recognized text of scanned documents, enabling advanced editing and searching within Adobe Acrobat. The format is tightly integrated with Adobe's scanning and OCR engine.

Did You Know?

The .axx format is an example of how software uses metadata files to manage complex processing workflows.
It's closely tied to Adobe's proprietary scanning and OCR technology.

Security Information

.axx files themselves do not typically contain malicious code, but they are associated with scanned documents. Always ensure the source of scanned documents and the software used to process them are trusted.

Related Extensions