Okay. It’s OK not Ok, okay?

As Microsoft mentions in their User Experience Guidelines, the caption text on an OK button should be written as OK rather than Ok.

Here is an example violation from the the database management software Aqua Data Studio:


AquaSoft’s site is full of screenshots that show off the mixed case Ok button.

Historically OK may be an acronym, but when putting it on a dialog button in Windows it’s all caps. None of these variants are correct:


 There’s only one OK button:



p.s. Aqua Data Studio is a much nicer tool for managing a DB2 database than trying to suffer through IBM’s Control Center, which have enough UI issues to warrant their own entire blog.  In fact, some companies have rules in place forbidding the use of DB2 GUI tools, and everything must be done from a command line.


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