More information about the library in https://epplus.codeplex.com and https://github.com/JanKallman/EPPlus
Notice: This component takes advantage of private and undocumented Platform APIs, which can change without notice. As a result, this component may unexpectedly break as the Platform is upgraded. We advise proper testing to ensure that your applications continue to work as expected when upgrading/patching the Platform.
Several methods added an improved.
Upgrade to OutSystems 11.