If it hasn't opened already, go to ActiveInbox on the Chrome Web Store to install it in Chrome.
(It's also compatible with any other Chrome-based browser, like Microsoft Edge, Brave, etc.)
We're really sorry, but at the moment the Firefox edition of ActiveInbox is unavailable, as Firefox made it too hard to maintain.
We hope Firefox is heading in a good direction, so we can fix it soon.
Meanwhile, you can use ActiveInbox in Chrome.
We're really sorry, but at the moment the Safari edition of ActiveInbox is unavailable, as the latest Safari update disabled a crucial mechanism it relies upon.
We hope we'll be able to fix it when a future update to Safari restores the mechanism.
Meanwhile, you can use ActiveInbox in Chrome.
You can use ActiveInbox in Chrome (or Chrome-compatible browsers).
