.APF File Extension

Adobe Profile File

Developer Adobe Systems
3.7  |  11 Votes

What is an 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.

More 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.

Open over 400 file formats with File Viewer Plus.Free Download

Programs that open APF files


Sony Ericsson Firmware Acoustics File

Developer Sony Ericsson
4.0  |  3 Votes

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.

More Information

APF files can be found in the ifs\​settings\​acoustic\​ directory on Sony Ericsson mobile devices.

Programs that open or reference APF files

Verified by FileInfo.com

The FileInfo.com team has independently researched all file formats and software programs listed on this page. Our goal is 100% accuracy and we only publish information about file types that we have verified.

If you would like to suggest any additions or updates to this page, please let us know.