Change Password for All users

SharePoint FBA Pack
,
1
We recently migrated from Extradium to the FBA pack.
The user passwords did not migrate over. Is there any way to change passwords for all users?
2
Not in the box (apart from clicking the reset password button for every single user, one at a time).

Behind the scenes the FBA Pack simply communicates with the asp.net membership provider though, so you could write a powershell script to update the password for every user. This site has a little bit of information on doing that:

http://bramnuyts.be/2013/10/15/manage-your-forms-based-authenticated-membership-provider/

Alternatively, we include a tool with our support plan that's meant to bulk import users - but it can also be used to bulk update users - including their password:

http://www.visigo.com/#support