For your use case AxCrypt 2 is really a good choice!
What you do, instead of encrypting a copy, is to encrypt the file in question, and then use the key sharing functionality to share the key with the recipient. Just enter the recipients e-mail address, and then send the file itself to the recipient as usual.
Once the recipient has downloaded AxCrypt and created an account, he or she will be able to open the file with their own password. No more keeping track of lots of passwords, or figuring out a secure side channel to send the shared password over.