@Roger Thank you for contacting us! In order to share in vaults, two or more accounts need to be linked together first, so there is no way to share a vault with another user who is not a Premium subscriber. What I would recommend doing here is having your wife upgrade to mSecure 6 directly from the older version of the app. When she installs V6 and creates an account, she should be asked if she would like to migrate her information in from V4. After that, she'll have 30 days with the Premium trial where you can link accounts and try out sharing.

We are going to be working on a Family Subscription, and it's one of our number one priorities. I highly doubt it will be ready before the end of the month, but it will be ready as soon as possible. If needed, you could purchase a monthly Premium account for both of you and then when the family plan becomes available, switch over to it.

@Gary You will first need to set up a vault in the Sharing Center. You can follow the instructions in this article for using the new sharing feature in mSecure 6: Sharing Center

If you still have questions, please let me know and I can help.