Where exactly do you use spaces?? Can you send an exported form to forum@pdf24.org including the PDF so that I can test this?

This is now possible. PDF24 has a special tool that, a PDF form editor, that enables users to edit PDF forms, add and remove form fields and to make PDFs fillable.

Please send the PDF file and a screenshot of your settings to forum@pdf24.org so that I can check this issue. If the PDF file is larger then 5 MB, please upload the file to e.g. Google Drive and send the...

This feature is already available there, this is an option of the Split Tool. Just open the split tool, load your PDF file and choose the "Halve pages" option there.

Please send a test file and instructions to forum@pdf24.org, then I'll check the internal behavior and I'll provide a fix if this is truly the case.

Click on a field in the pdf form editor, click CTRL+C and then CTRL+V. This copies the field and adds it as a new field to the form.

Click on a field, in the sidebar click the gear icon to open the field properties. In that panel you can change all the field specific properties, name, value, flags, options, ....

Copy the profile from the HKCU part of the registry to the corresponding HKLM area. This makes the profile visible to all users and even to services.

Strange, actually Windows should bring the app window back to the first screen. Try to connect the second screen, then open pdf24 reader, move the window back to the first screen and close pdf24 reader...