Open XML Package Editor for Visual Studio updated and open-sourced

Back in 2010, we released the Open XML Package Editor for Visual Studio, a plugin which allowed users to open Office documents in Visual Studio and edit the OPC package content directly.    It’s a great tool for anyone working on debugging or developing Office Open XML documents – since we shipped it it’s had…

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ODF 1.2 enters the ISO standardization process

On March 26th, OASIS announced to the ODF TC that they had officially submitted ODF 1.2 to ISO/IEC JTC1 as a candidate international standard. This is great news for the office application community and an important milestone for the format. ODF 1.2 is entering the ISO system using the PAS process, which allows extant non-ISO…

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Creating a simple XLSX from scratch using the Open XML SDK

Recently I’ve been scouting around Stack Overflow looking for Open XML-related questions – it’s always interesting to see what real people are doing with technologies you’ve been involved in. One topic that often comes up is the question of how to create SpreadsheetML files from scratch. The way most people go about this is to…

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New interoperability testing library for ISO/IEC 29500 documents

One thing implementers of Open XML often get in touch with me about is test documents. Understandably, any implementer wants to test their implementation against some corpus of test material, but so far there’s been no straightforward place to find a bunch of documents with which to test an ISO/IEC 29500 or ECMA-376 implementation. Well,…

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Trip report: WG4 Prague

Just back from another WG4 meeting, so I thought I’d write up a few thoughts. My trip was slightly longer than usual this time, mainly because I was with Doug at the XML Prague conference the preceeding weekend. Doug wrote a trip report about XML Prague, so I won’t talk about it here. We had…

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My first dabblings in open source

When I started this job, I had a hunch that I’d be living a little more in the open source world, and working more with FOSS-type people. This has turned out to be true, and on WG4 I’ve been involved quite a bit with people who are trying to make money from open source (Novell,…

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Using VBA to turn numbering into normal text in Word documents

As you probably know by now, I spend a lot of my time writing up proposed edits to the file format standard IS 29500 in Word. The end result of what I’m doing always ends up being sent to my ISO colleagues on WG4 in another document. I’ll be editing something that looks like this: When I…

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Where is the documentation for Office’s docx/xlsx/pptx formats? Part 2: Office 2010

This follows up on my post earlier this week about where the documentation for Office 2007’s formats live. I am powerless to make you do anything you don’t want to, of course, but I’d strongly encourage you to read that one first as I’ll be building on a lot of what I said there. I…

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Where is the documentation for Office’s docx/xlsx/pptx formats? Part 1: Office 2007

Since we started using XML-based file formats, we’ve seen a huge uptick in the number of customers who want to read and write those files from applications that aren’t Office. That’s great, because that was one of the things we had hoped for when we first started using them. The first question customers ask when…

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Trip report: WG4 Tokyo

WG4 met last week in a rather humid Tokyo – I’m just back now after some travel headaches and I wanted to share a few thoughts. “Most Productive Meeting Ever” Well, perhaps not the world record holder, but the convener remarked on the final day that this had been WG4’s most productive meeting ever. I’ve…

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