Spreadsheets

The XML format

Data organised with tags similar to HTML. It underpins many exchanges between business systems, RSS feeds and e-invoicing formats.

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Fact sheet

XML

Extensible Markup Language

Best for: Exchanging data between programs, imports into business software.
Limits: Verbose: for the same data it’s heavier than JSON and CSV.
Type: structured data
Human-readable: yes, it’s text
Used by: business software, e-invoices, feeds
Extensions: .xml
MIME type: application/xml
Since: 1998

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Questions about the XML format

How do I open a XML file?

Usually a double click is enough: operating systems and the most common programs recognise it. If the program or website you use won’t accept it, you can convert it here to a more common format, for example XLSX.

What extension do XML files have?

.xml. The MIME type is application/xml.

Does converting a XML lose quality?

The content is preserved; layout and style details may change between different formats.