Most people need to open .p7m files — but sometimes you need to create one. If a portal or partner asks you to send a document "in .p7m format", this guide explains how to convert your files to .p7m online.
What does converting to .p7m mean?
Converting to .p7m means wrapping your document (a PDF, Word file, XML or UDF) inside a PKCS#7 signed envelope. The result is a `.p7m` file that carries your document together with a digital signature.
How to convert a file to .p7m
1. Open the P7M Viewer Convert to .p7m tool.
2. Upload your PDF, DOC, DOCX, XML, UDF or TXT file.
3. Complete the quick checkout.
4. Download your new signed .p7m file.
Which formats can you convert?
P7M Viewer accepts the most common document types:
- PDF — contracts, reports, invoices
- Word — DOC and DOCX
- XML — electronic invoices and structured data
- UDF — national document format files
- TXT and RTF — plain and rich text
When do you need a .p7m file?
- A government or tax portal requires a signed submission
- A client or supplier asks for documents in .p7m format
- You need to prove authorship of a document you are sending
Open what you create — and what you receive
Creating .p7m files and reading them go hand in hand. With P7M Viewer you can convert documents to .p7m when you send, and open .p7m files for free when you receive. On Android, the free app keeps both close at hand.
FAQ
Can I convert several files? Convert your documents into .p7m one at a time, or use batch tools for volume.
What comes out? A single .p7m file containing your original document plus a signature.
Is conversion free? Opening is free; creating a .p7m file is a low-cost premium feature.
Summary
Converting to .p7m is simple: upload your PDF, Word, XML or UDF file, and download a ready-to-send signed .p7m in seconds.
