Information about the .pk7 (pk7) file type

Below is all the information we have available on file about the .pk7 (pk7) file type.

.pk7
Signed Electronic bill or electronic document. Movistar (a Spanish company) makes its customer bills available electronically as .pk7 files.

The .pk7 file contains an encrypted PDF file. Each .pk7 file is also digitally signed both to ensure its integrity and validity but also to ensure that the .pk7 file has legal validity.

The following links provide further information related to the .pk7 file extension:

Where this is available we would like to include file format information on .pk7 files, as well as information on how to view or open files of type .pk7. If you know of any information which we have missed then please let us know.