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Office 2003 update blocks older file formats

The latest service pack for Microsoft Office 2003 has made a range of older file formats inaccessible, including Word documents, Excel spreadsheets and PowerPoint presentations
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Written by Richard Thurston on

The latest service pack for Microsoft Office 2003 has made a range of older files inaccessible, including Word documents, Excel spreadsheets and PowerPoint presentations, it emerged this week.

Office 2003 Service Pack 3, which was made available in September, blocks a lengthy list of word-processing file formats, including Word 6.0 and Word 97 for Windows and Word 2004 for Macintosh. It also blocks older versions of Excel, PowerPoint, Lotus Notes, Corel Quattro spreadsheet and Corel Draw graphics package.

On releasing the service pack, Microsoft said one of its main benefits was that it would make it easier to interoperate with Microsoft's latest operating system, Vista, and its latest productivity suite, Office 2007. The older file formats that are now blocked are in decreasing day-to-day use, but the blocking of them will make retrieval of archived material more difficult.

The changes were revealed in a Microsoft support document, which was uploaded to its site in December. Users were given no warning of the effects when they downloaded SP3.

In the support document, Microsoft said SP3 blocked access to those formats because they were less secure than newer versions. "By default, these file formats are blocked because they are less secure. They may pose a risk to you," it said.

Microsoft released details of a workaround to restore access. The workaround requires changes to the registry, which could render a PC unusable if carried out incorrectly.

The workaround was branded by one critic on tech website Slashdot.org as "mind-bogglingly complex".

Other users responded negatively to the change. A system administrator at a UK university, who asked not to be named, called it "a money-making exercise". Talking to ZDNet.co.uk on Thursday, he added that it would cause a problem to the central IT resource not to have access to some older file formats, but that the effect would be greater on other less "progressive" departments within the university.

Microsoft could offer no comment at the time of writing on why it had blocked access to the file formats.

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