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| Content | Preference | Format | Format Use | Notes | |
|---|---|---|---|---|---|
| Preservation | Delivery | ||||
| Audio | Preferred | Waveform Audio (WAV) | X | ||
| MPEG-4 Audio (MP4) | X | ||||
| MPEG 1/2 Audio Layer 3 (MP3) | X | Delivered by Streaming Delivery Service (SDS) | |||
| Accepted | Audio Interchange File Format (AIFF) | X | |||
| RealAudio | X | Delivered by Streaming Delivery Service (SDS) | |||
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Word Processing Formats
Deposit the native word processing file together with a derivative PDF (PDF/A if possible) and make both deliverable. The PDF provides an alternative “fixed” preservation copy, providing mitigation for future obsolescence/rendering risks; while the native word processing file provides a truer version of the original, for users who are able to still read the format.
Documents should not have DRM, including passwords or encryption.
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