Click the "Select File" button above, and choose your P7Z file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert P7Z to another file type
To convert P7Z compressed messages to another format, you need 7-Zip or other Compressed software.
Convert a file to P7Z
To convert other file formats to the "Cryptographic Signed Archive" file type, you need software like 7-Zip or a similar tool.
About P7Z files
A .P7Z file is a compressed archive that has been digitally signed using the PKCS #7 standard. These files are typically created by cryptographic tools or email clients using S/MIME to ensure the contents have not been tampered with. While the signature guarantees authenticity, the format itself is highly restrictive. You cannot open a .P7Z file natively on Windows or macOS without installing third-party utilities like 7-Zip or specialized RSA Security software. The primary disadvantage of the .P7Z format is this dependency on cryptographic environments, which frustrates users who simply need to access the enclosed documents. Furthermore, if the certificate is expired, strict software might refuse to extract the data. To bypass these limitations, you need to extract or convert the file. For general archiving, extract the contents to a standard ZIP file. If you are dealing with S/MIME email attachments, convert to EML or TXT. Drop your file here to view and convert it securely right in your browser.
Convert.Guru analyzes your P7Z file, detects the exact format, and lets you read the text inside.
Users also converted P7S, SIG, BTW, PK, APB and 7 files.
FAQ
If you want to convert P7Z file to ZIP, RAR, 7Z, TAR, GZ, BZ2, XZ, LZMA, CAB, ACE, ARJ or LHA, you can use 7-Zip or similar software from the "Signed Compressed Archive" category. In the File menu, look for Save As… or Export….
To convert XXE, 7Z, Z, PAK, LHA, DEB, UUE, TAR, LZH, ZIP, PKG or RAR files to P7Z, try 7-Zip or another comparable tool in the "Signed Compressed Archive" category.
The P7Z Converter Story
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our P7Z converter.