Reduce size of Powerpoint-presentations / PDFs

We recommend you to reduce the size of your PowerPoint presentations and PDFs before you upload them to or download them from ADAM. To do so, we suggest to: (1) Reduce the size of the included images, and (2) select the right settings printing quality settings. Proceed as follows.


Compress images

  1. Go to File > Compress Pictures in the menu bar
  2. Select Picture Quality: On-Screen (150 ppi)
  3. Select Delete cropped areas of pictures

Specify file settings in PowerPoint

  1. Go to PowerPoint > Preferences in the menu bar
  2. Select Preferences > General
  3. In Print Quality (Paper/PDF), select Desired Quality: Medium (This option is only available if you have a recent PowerPoint version, so make sure to first check your Microsoft updates: In your menu bar, select Help > Check for updates.
  4. Now you can export your PDF as usual. If the size of your PDF is still too large, you can proceed by reducing the Print Quality (Step 3.) to “Low”.

Einstellungen Powerpoint Allgemein_2


Compress images

  1. Go to the menu File > Options > Advanced
  2. Under Image size and quality > Default destination output: 150 ppi
  3. Make sure that Discard editing data is selected.

Menü Datei

Menü Optionen



Adjust size when saving

  1. If you want to save the PowerPoint presentation: Go to the menu File > Save as
  2. Under “File type”, select whether you want to save the file as PowerPoint or PDF.
  3. Under Tools” > “Compress Images, select the Web (150 ppi) output destination and confirm your selection.
  4. Click Save

Menü Datei

Speichern unter

Dateityp und Tools



University of Basel