How to open P7M file?

What is P7M file extension?

Files with the P7M extension are encrypted emails with a digital signature. This solution allows you to increase the level of security of sent messages. This message can only be displayed by a person with the appropriate private key. Most popular email programs support this encryption mechanism. If not, a connector named SMIME.P7M is added to the email.

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Programs that support P7M file

Programs for Windows system
Eudora Eudora
Programs for Mac OS system
Apple Keychain Access Apple Keychain Access
We hope we helped you solve the problem with the P7M file. If you do not know where you can download the application from our list, click on the link (which is the name of the program) - you will find more information there on the location where to download the secure setup version of the required application.
What else may cause problems?
There can be more reasons which determine that you are not able to open the P7M file (apart from the lack of the proper application installed).
First - the P7M file may be incorrectly linked (associated) with the application installed to support it. In this case, you need to change this link by yourself. To do this, right-click on the P7M file # that you want to edit, click "Open with" and then select the program from the list that you have installed. After this operation, the problems with opening the P7M file should be solved forever.
Second - the file you want to open can simply be damaged. Then, the best solution is to find a new version, or download it again from the same source as before (maybe for some reason in the previous session the download of the P7M file has not been completed and it cannot be opened properly).