I am trying to export the XPS data from CASA software to ASCII format but getting an error stating "Demo version: Data not saved". Why?

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Ayten CANTAŞ

As far as I know, you can only fit your XPS spectrum by CASA-XPS in demo mode, but you can not save and export it. You should activate a license.

Buddhima Dodangodage

Generally in demo versions, which are only there for demonstration purposes, you can use the tool of the software, but you can't save your work, copy paste them to another platform, etc.

Basically you can't make your work exist outside of the software from the moment it's done, till you close the window.

If you're getting that message, it means that you've installed the demo version.