File extension apf

Name: Miscellaneous Files

Popularity: 6

Open With: Adobe Acrobat X Pro

What is this apf file?

Certificate file used by Adobe Acrobat as well as other Adobe programs; contains a digital certificate that is used to authorize and identify a source of information. APF files are Adobe's legacy certificate format and have not been used after Acrobat 5. They can be upgraded in Acrobat to a newer certificate format.

Name: Audio Files

Popularity: 4

Open With: Sony Ericsson PC Suite

What is this apf file?

Driver file used within the firmware of Sony Ericsson mobile devices; contains data for acoustic settings, such as sound quality and the speaker and headphone volume; used for "modding" a Sony Ericsson device. APF files can be found in the ifs\settings\acoustic\ directory on Sony Ericsson