I've lost my
serial number! Can you send it to me?
If you've lost your serial number, use our Serial Number
Default Folder X is telling me I need to upgrade.
Version 5 of Default Folder X is a paid upgrade for users
that purchased their licenses before June 1, 2015. You can
purchase an upgrade through our Upgrades Page.
Is there a version of Default Folder X for Big Sur?
Default Folder X version 5.5 or higher is compatible with
My email address changed. How do I let you know?
To ensure that you continue to receive update notices after
changing your email address, use our Change
of Address Form or send mail to firstname.lastname@example.org.
Include both your old and new email addresses.