Items submitted to the PSU Digital Repository must be saved in one of the following file formats. These formats are considered sustainable as defined by the Library of Congress (see Content Categories > Format > Preferences in Summary).
Text-based documents: PDF/A Portable Document Format
Audio: WAV Waveform Audio Format
Video: MPEG-2 Motion Picture Experts Group
Images: TIFF Tagged Image File Format
The following factors limit the ability to provide complete digital preservation. Files will not be accepted if one or more of these factors are present: