Plugins
As an alternative to Outlook, we also offer uncomplicated integration with the Thunderbird e-mail client.
This means that 1Tool and Thunderbird work together perfectly and ensure the successful organization of emails, contacts and more.


As an alternative to Outlook, we also offer uncomplicated integration with the Thunderbird e-mail client.
This means that 1Tool and Thunderbird work together perfectly and ensure the successful organization of emails, contacts and more.
Would you like to keep your usual e-mail program and still enjoy the countless possibilities of CRM software?
Then use our CRM Thunderbird integration – whether for sending or receiving emails, synchronizing important contacts or organizing tasks and appointments. Your team will work even better together and thus bundle the entire power of successful CRM management.


You pay per workstation, not per feature. Cancellable monthly, servers in Austria.
Thirty minutes, your processes, our software — no obligation and no jargon.
Try it free