Sounds like you're just need something like classic static PDF forms aka AcroForms. Those can be created and edited with Acrobat or InDesign. However, since your existing forms were created with Designer, they are XFA-forms, which are based on a template (XDP) that is wrapped in a PDF-shell. This PD...

Designer, no matter if the LiveCycle, ADEP or AEM Forms incarnation is almost the same app. AEM Forms Designer is the current version which has got a few minor updates in the UI but overall it does the same as the previous LiveCycle and ADEP versions: Creating XFA forms based on the XFA specificatio...

The solution is propably the same. You need to register the missing DLL. 

Excel geht da nicht direkt, weil es ja ein properitäres Dateiformat ist. Man kann aber die Zelleninhalte in Excel mithilfe eines XML-Schemas (XSD) als XML-Datei exportieren und diese XML-Datei dann in da Formular importieren. Man muss sich also erst einmal eine XSD für Excel erstellen. Dabei muss pe...

Try this fix from my blog. https://thelivecycle.blogspot.com/2016/09/diy-bugfix-5-error-1722-or-0x8002801c.html

I can't think of another solution, that would help you. The preSave and postSave events are there to execute scripts in that scenarios, like hiding or showing elements or such things. 

No chance. The save command can't be stopped from being executed by design. 

You can't disable the save features of the PDF viewer at all and hiding menu items would only be possible with a script in a so called a folder level which is inpossible to archive from within a form (= document level). More on script contexts here: https://opensource.adobe.com/dc-acrobat-sdk-docs/l...

Here's some guidelines for better accessiblity.https://www.adobe.com/content/dam/cc1/en/accessibility/products/livecycle/pdfs/livecycle-designer-accessibility-guidelines.pdf

AEM Forms Designer and LiveCycle Designer (LCD) is the same application. It has just a different name. All forms created with LCD are editable in AEM Form,s Designer as well. There's no difference. Same goes for Reader Extensions. Designer only creates the forms, the usage rights have to be applied ...