Optimizely Forms: You cannot submit this form because an administrator has turned off data storage.
Do not let this error message scare you, the solution is quite simple!
Episerver Forms
Set icon for your Optimizely CMS custom form elements
Set your own icon on custom form elements in Optimizely CMS
Critical bug in Episerver/Optimizely Forms 4.30.1/4.30.2 - upgrade ASAP!
Episerver Forms submission data older than 30 days can be unexpectedly deleted, even if the form is configured to keep submissions forever. If you are using version 4.30.1 or 4.30.2 - I would recommend upgrading ASAP!
Episerver Forms - public access to uploaded files
Files uloaded to an Episerver Form, can not be accessed without logging in. Unless...
Episerver.Forms and the solving of a performance issue
A form with more than a handful form elements can get incredible slow, if you use the element «Rich text (with placeholder)». I came across a form that took 25 seconds to load, resulting in over 700 calls to the database. Some rewriting got the loading time down to 256 milliseconds!