As the Admin, you've probably gotten a few requests for accounts to be reset. Here's a quick and easy way to get your users back to their account.
1. Start in your Admin view
2. Select Users
3. Select All Users
4. Find the specific user you want to update and click on the user details icon next to their name
5. On the user details page, click "Unlink Login"
6. Once you've unlinked, you'll be given the option to re-invite the user. Click the Invite User button.
7. The user will receive a new invitation by email and can select a password for login.