Question : Importing .pk7b file

I received a certificate from a certificate authority, and this it came in .pk7b format.  I tried importing and then exporting to .pfx file but only would export to .pk7b.  For IIS 6 and 7, I am not able to import it - it seems to need the.pfx file.   Does anyone know a way around this?

Thanks

Answer : Importing .pk7b file

Look at openssl tooling for unpacking/repacking certificate info.

pkcs7 handling
http://www.openssl.org/docs/apps/pkcs7.html

pfx file are pkcs12 files:
http://www.openssl.org/docs/apps/pkcs12.html

For a service you need the Private Key + Certificate  (=IIS)
For validation you only need the Certificate.  (This is the Public Key + its CA -signature).