MacMail Plugin is not active

[BLUEFROG]

Welcome @MK2024

Asked and answered many time on the forums, as well as discussed in DEVONthink’s Help > Tutorials > Handling Email…

Can't Find Option to Install Apple Mail Add-On in DT3 Pro

You’re welcome! As noted elsewhere on these forums, in macOS Sonoma Apple deprecated Apple Mail plugins and broke things for all third-parties who develop (and also sell) these plugins. There is nothing we can do about this. Their mail extensions, are (1) very basic and limited, not capable of providing the functionality of our plugin, and (2) have really not been further developed further or improved by Apple in the 4-5 years since they announced them. Logically, mail extensions have not been …