“Microsoft formats are routinely cited as examples where prophylactic format migration is required as part of a responsible digital preservation workflow. Over at Groklaw, PJ has a fascinating, long post up using SEC filings and Microsoft internal documents revealed in the Comes case to demonstrate that Microsoft’s strategic use of incompatibility goes back at least 20 years and continues to this day. Her current example is the collaboration between Microsoft and Novell around Microsoft’s “Open XML”. This strategy poses problems that the advocates of format migration as a preservation strategy need to address. For details, follow me below the fold.”
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