Hello,
As I am new to Appian and try to evaluate the tool I would like to import some data from excel/ CSV to test drive a couple of ideas. I have found a plug-in that should be helpful in importing data: https://community.appian.com/b/appmarket/posts/excel-tools#. Though when clicking on download it says "This app is available to download for Appian Customers, Partners, and Employees. Please make sure to self-associate from your profile" I assume the free account doesn't make you a customer, though how can I get a sample data set in the platform to test drive.
Regards, Wolter
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If you're talking about using a plug-in on a Community Edition instance, then all you need to do is navigate to the Admin Console of your instance and then to the "plug-ins" tab, and click the button to deploy new plug-ins. Excel Tools installs just fine from there. Generally there's no reason to download the plug-in file itself from the plug-in page unless you're using a self-managed appian installation (which if you were, you'd know), or if you need the attached plug-in documentation.
Like Mike Schmitt mentioned, It can be installed on community workspace from Admin console -> Add Plugins --> search and Deploy.