A .p7s file extension is an email digitally signed by the sender. In most cases, this also means encrypting the content. The digital signature authenticates the sender and message content. .P7S files...
A .p7s file extension is an email digitally signed by the sender. In most cases, this also means encrypting the content. The digital signature authenticates the sender and message content. .P7S files verify the email is from who it claims to be from and not modified in transit. They are found in email messages with an S/MIME signature indicating security. Most email clients support digital signatures; else .p7s attaches to email. Files with .p7s extension save data as text. The format developed by unknown. The .p7s likely made in Microsoft Outlook. Choose a tool to open, convert, view or edit .p7s files.
Multiple reasons cause failed .p7s file opening. A program supporting them may be absent. To open, install one handling .p7s files. If installed but not default, right-click and Open with, selecting proper application. Check box to always use it for .p7s files. The system registry will now open these files with chosen program.
A .p7s contains signature verifying authenticity, integrity and non-repudiation of data. We explore contents, benefits, limitations and differences from .p7m files. Opening and verifying .p7s files is covered. Sending via email and signing documents with them is explained.
Select and upload a .p7s file up to 150MB to open online for free. All are securely processed in the cloud then deleted in 1 hour. Vote on your recent .p7s viewing experience. Apps known to open certain .p7s files may serve other purposes. Try several to open your file. Let us know if you can provide more .p7s format info, examples or software. Email us or update. Our File Analyzer can check an unknown file type.
Microsoft Outlook
Adobe Acrobat
Cryptigo p7mViewer