In concert with major browsers and other websites, we are retiring support for TLS 1.0 and 1.1 on Jan 31. If your Macabacus version is older than 8.9.20, update your software promptly to avoid a service interruption.
Macabacus and Microsoft (for the most part) no longer support Internet Explorer 10 and prior versions. Please consider upgrading your browser.
Updated on April 6, 2018.