General SupportGliffy HelpLearn how to use Gliffy, get help with advanced features, and answers to the most frequently asked questions.View DocsWorld-Class SupportAt Gliffy, our customers are our priority. Our goal is to ensure you are insanely satisfied with every aspect of our product and any interactions you have with our team.Contact supportSupported PlatformsWindows 7, Windows 8, Windows 8.1, Windows 10Mac OSX (All Versions)Response Times and Support HoursWe are committed to providing outstanding service, and respond to support requests within one business day. Our support hours are Monday through Friday, 8 a.m. to 5 p.m. EST. Gliffy is closed on major US holidays, including:New Year’s DayMartin Luther King Jr. DayPresidents DayMemorial DayIndependence DayLabor DayThanksgiving (fourth Thursday and Friday in November)Christmas DayNew Year’s Eve