If you have the Exchange Management Tools installed, you can easily import the Exchange module into a standard Powershell by running the Add-PSSnapin cmdlet.

Depending on the Exchange version, the module to add is slightly different:

If you're not sure about the version, you can also use wildcard characters:

Add-PSSnapin *Exchange*

If you don't want to install the management tools, you can also use PS remoting to remotely access the management shell from a standard Powershell.