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Reduce size of Powerpoint files

Powerpoint files with photo images included can get very large which can then cause problems uploading and downloading.
To minimise the size of such files while still optimising the pictures for on-screen display, follow the following steps (the screens shown are for Powerpoint 2007)

  • Open the powerpoint presentation
  • Click on one of the pictures and select the 'format' tab as shown.

  • Select the 'Compress Pictures' option from the block on the left of the ribbon
    leave the box unchecked to apply compression to ALL pictures in the ppt file.

  • Select 'options', set the options you wish to use ('screen' is recommended) and click ok twice.

Using this simple technique reduced the .pptx file illustrated from 14.2 MB to 725 KB!