# Upgrading to T4O-6.x from older supported versions

- [Supported Trilio Upgrade Path](/openstack/upgrading-to-t4o-6.x-from-older-supported-versions/upgrade-triliovault.md)
- [Upgrade Trilio](/openstack/upgrading-to-t4o-6.x-from-older-supported-versions/upgradetrilio.md)
- [Upgrading on RHOSP](/openstack/upgrading-to-t4o-6.x-from-older-supported-versions/upgradetrilio/upgrading-on-rhosp.md)
- [Upgrading on RHOSO](/openstack/upgrading-to-t4o-6.x-from-older-supported-versions/upgradetrilio/upgrade_on_rhoso18.md)
- [Upgrading on OpenStack-Helm/MOSK](/openstack/upgrading-to-t4o-6.x-from-older-supported-versions/upgradetrilio/upgrading_on_oshelm.md)