According to this MS post: https://docs.microsoft.com/en-us/dynamics365/fin-ops-core/dev-itpro/dev-tools/isv-licensing, the ISV certificate format to load should be of type Base64-encoded X.509. However, if you try to install the corresponding licenses, you will get an error stating that the license file is incorrect. You should use instead a DER encoded binary x.509 format and you will be ab...