> For the complete documentation index, see [llms.txt](https://docs.keyfax.biz/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.keyfax.biz/product-suite/admin/databox-expressions/text-expressions/upper.md).

# Upper

Converts all lower case characters to upper case characters within a Databox value.

<table><thead><tr><th width="191">Expression</th><th width="375">Databox Value</th><th width="183">Result</th></tr></thead><tbody><tr><td><code>Upper</code></td><td>Mr John Smith</td><td>MR JOHN SMITH</td></tr></tbody></table>