Compatibility Controls
Use the compatibility settings to create PDF files that work with the appropriate PDF version and standards. For details, see About PDF Versions.
Select a PDF version or a PDF/A, PDF/X, or PDF/E standard to create files compatible with one of the following PDF versions.
- PDF 1.7: Compatible with Adobe Acrobat Reader 8.0 or later.
- PDF 1.6: Compatible with Adobe Acrobat Reader 7.0 or later.
- PDF 1.5: Compatible with Adobe Acrobat Reader 6.0 or later and supports PDF 1.5-specific commands, such as the use of JPEG2000 compression and 128-bit encryption.
- PDF 1.4: Compatible with Adobe Acrobat Reader 5.0 or later and supports PDF 1.4-specific commands, such as Transparency, to produce improved quality and smaller file sizes.