For good.

For the record. For good.

Tim Gollins

Head Of Digital Preservation

21/11/2012

Putting Parsimonious Preservation into PracticeRecent Developments at The National Archives (UK)

Our responsibility

for the government record, its past and future, its use and re-use,

authentic, available and accessible to all

Our Public Task

How long did you say this parchment would last?

4

The File format Long Tail

• Our own administrative records

5

File Extension Count %msg 1225790 57.6doc 437803 20.6xls 135573 6.4pdf 82524 3.9jpeg 58748 2.8url 20701 1.0xlsx 16777 0.8docx 16765 0.8htm 15616 0.7txt 14199 0.7ppt 12834 0.6gif 11154 0.5rtf 11046 0.5tif 9293 0.4MBX 6044 0.3png 4812 0.2obr 4368 0.2bmp 3286 0.2zip 2499 0.1html 2307 0.1csv 2266 0.1vsd 2088 0.1DAT 1972 0.1xml 1898 0.1pptx 1700 0.1

For good.

For the record. For good.

Questions?