think-cell - Add-In for PowerPoint

Students, staff and professors of Reutlingen University can use the PowerPoint and Excel add-in think-cell.

You can download the software and the license key in the Online RELAX course think-cell.


think-cell is a charting and layout software for improving your PowerPoint presentations or Excel diagrams.

  • think-cell chart is an add-in for creating business charts, such as complex Waterfalls, Mekkos and Gantts
  • think-cell round is an Excel add-in for consistently rounding numbers, even across complex calculations.
  • think-cell layout is a PowerPoint add-in for composing clean slide layouts from standard elements.


  • Ease of use and full integration into Microsoft Office
  • Extensive automation to foster efficiency and quality
  • Full compatibility with all Microsoft Office file formats
  • Improved collaboration

You can use think-cell for the duration of your studies or your employment at the University. Once you leave the University you will need to uninstall the software.


In order to install and run think-cell, the following software must be installed on your system:

Microsoft Windows Vista, 7, 8, 8.1 or 10 and Microsoft office 2007, 2010, 2013, 2016 or 356 or macOS from Yosemite (10.10) and and Office for Mac 2016 (16.8.171111 and later).

The size of the installation file is 56 MB (Windows) or 32 MB (macOS) and can only be downloaded within the university network.
After installing the software, open Microsoft PowerPoint and you will be asked for a license key. Now simply copy the key received in the RELAX course into the license dialog. The license key is only valid for a limited time and must be renewed if necessary. You can also receive the new key in the RELAX course.
You will find a user manual for the product on the manufacturer's website (also available in other languages).