P7M basics
Learn what a signed P7M envelope contains and what the separate signature checks tell you.
What is a P7M file?
Learn what a P7M file is, what .pdf.p7m and .xml.p7m contain, and how to open them. Understand CAdES, PAdES, extraction and signature checks.
PDF and P7M signatures
Learn to interpret signature results and distinguish a signature embedded in a PDF from a P7M envelope.
Verify a PDF digital signature
Check a PDF digital signature in Acrobat, inspect certificates, timestamps and later changes, and understand the difference between PAdES and PDF.P7M.
Open P7M by device
Find the steps to open a P7M attachment on Mac, Windows, iPhone or Android.
Open P7M files on Mac
Learn how to open P7M files on Mac in your browser. Save PEC attachments, extract PDFs for Preview, read XML invoices, and keep the original signed file.
Open P7M files on Windows
How to open P7M files on Windows 10 and 11: browser steps, InfoCamere Sign Desktop, Aruba Sign, and AgID sources. Extract PDFs or XML and fix common errors.
Open P7M files on iPhone and Android
How to open P7M files on iPhone and Android: save Mail or PEC attachments, compare mobile reader apps and prices, or extract PDF and XML files in your browser without uploads.
Extract the original document
Understand the difference between extracting the original PDF and creating a reading copy of a FatturaPA XML invoice.
P7M to PDF: extraction guide
Convert P7M to PDF: extract the original document without losing formatting. Learn why PDF readers fail to open P7M files and how to read them on Windows, Mac, iPhone, and Android.