A lot of the interest in mandating open standards, at least a few years ago, was targeted at the dominance of MS Office. That's interesting nowadays because: - MS Office's default file formats are open standards with open source libraries/ reference implementations - MS Office (both desktop and web app) can handle ODF very well nowadays. At least for small business and home users, Google docs has become increasingly…
I've come to accept that any data not stored as plain text is subject to these format issues.
The reality is we know it's not always terribly important. If you really want to preserve something, you'd use a format like markdown or LaTeX at the outside. Most things are weren't the effort, and I just want it to look pretty.