Hello @DavidD411 ,
The only "welcome email" in the account associated with this Community profile is a general automated series that was activated back in 2017 and is currently deactivated. There is no way to edit its trigger, as it is a series (not a true welcome email automation) that'd already been activated.
See also:
Support Tips
"There's a multitude of ways to engage your audience through us using your social platforms - via ads, social post metrics, email links, and more! " - Will
See ArticleSupport Tips
"Target your most engaged contacts by creating a segment. Create a special offer or show your appreciation!" - Caitlin
See ArticleSupport Tips
"Greet new contacts with one or more automated Welcome Emails depending on their interests or your business goals." - Nick
See Article