
Versions are sometimes lost or not viewable.Īnd Acrobat Reader 4.0 and later.

The following table compares some of the functionality in PDF files created using the different compatibility settings.Īcrobat Reader 3.0 and later. In PDF Optimizer, select Advanced > PDF Optimizer > Make Compatible With.In Acrobat Distiller, select Settings > Edit Adobe PDF Settings > Compatibility.Here are two ways you can select compatibility levels: Using one of these versions ensures that all users can view and print your document. The latest version includes all the newest features and functionality however, if you’re creating documents that will be distributed widely, consider choosing Acrobat 6.0 or Acrobat 7.0.

Generally, unless there’s a specific need for backward compatibility, use the most recent version (in this case, Acrobat 9.0 and later). You can easily change the PDF version to make your PDF document compatible with Acrobat 4, 5, 6, 7, 8 and 9 by switching to a different preset or choosing a compatibility option in PDF Optimizer.

When you create PDF files, you decide which PDF version to use.
