# Classic app - Airtable new authentication **URL:** \ **Category:** Ask for Help\ **Created:** [December 12, 2023, 10:07am UTC](https://community.glideapps.com/t/classic-app-airtable-new-authentication/68600 "2023-12-12T10:07:33Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![Jeff\_Hager](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/jeff_hager/32/43_2.png) [@Jeff\_Hager](https://community.glideapps.com/u/Jeff_Hager)\ **Post date:** [December 12, 2023, 1:17pm UTC](https://community.glideapps.com/t/classic-app-airtable-new-authentication/68600/2 "2023-12-12T13:17:48Z")
> [@No option Duplicate in dashboard with Classic App](https://community.glideapps.com/t/no-option-duplicate-in-dashboard-with-classic-app/68094/6): > > We’ve always had the New App from Data option, which keeps all of your relations and computed columns. There is nothing on the data side that you should have to be rebuild. Yes you’d still have to rebuild the screens, but I honestly I can’t see how Glide could reliably convert a classic app to a new app without some kind of manual work required by us after the fact. There’s just enough differences between the two that I feel a one-to-one conversion would be difficult or inaccurate. Even if … --- _[View the full topic](https://community.glideapps.com/t/classic-app-airtable-new-authentication/68600)._