Important
You need to install the SharePoint app package to publish a public web form to a Microsoft Teams tab.
See Use an app in a tab, in a channel, or chat in Microsoft Teams for detailed instructions on adding tabs in Microsoft Teams.
To add a public web form to a Teams chat or channel tab, do the following:
Design a public web form and save it.
Once the form is saved, the form ID will appear in the URL of the designer. Copy it to the clipboard:
Add a tab with Plumsail Forms app to a channel or group chat.
Once the tab is added, select Plumsail Form:
Select the Public type, and paste the form ID: