how to get the security key of certificate or server key i dont know

Hi experts

we have  wildcard certificate *
this certificate already installed and work well on our exchange server

now my  colleague want to install new Linux servers and he needs to use this certificate

i gave the certificate but he said he needs  the secure key or server key  

i dont know how to get this form him  

kindly advice

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Jian An LimSolutions ArchitectCommented:
you need to export the certificate in pfx format (include private key)

make sure when you export, you need to include private key :) [tell him the password on the pfx file as well]

follow the instruction

then he should need to convert to PEM or soemthing he can use

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sword12Author Commented:
thank you Jian

i managed to export the certificate

but he want all info as txt files

do you know how can i get these info as txt

thank you
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