"exceptionally common" is correct and usable in written English.
You can use it when you want to describe something that is not only common, but more commonly found than usual. For example, "The use of smartphones is becoming exceptionally common in younger generations."
Even exceptionally common keys remain largely uncrackable, including by government agencies — though they appear to be gaining some ground.
These are called "executive agreements" and they are exceptionally common: the United States enters into about 94% of its international agreements this way.
"[Reflashing] is exceptionally common in China, just as one example," says Dillon, pointing to Xiaomi's journey from ROM maker to fully fledged smartphone maker as an example of the appetite mobile users can have for change.
The Chinese market was especially front of mind for Dillon, who said reflashing mobile devices (i.e. installing a different OS to the one they came with) is "exceptionally common" in the region.
When you find him tucked away in the corner of the Tower, it's exceptionally common to wonder what the hell you're doing with your life.
He noted, for instance, that black operations like the bin Laden mission, with commandos conducting heliborne night raids, were now exceptionally common.
That diversity is a strength of the online world, but it makes developing common ground exceptionally challenging.
Genetic testing of the MRSA isolates revealed traits common among exceptionally virulent community-acquired strains circulating in the United States.
Children in remote Australian Aboriginal communities experience exceptionally high rates of common childhood infections including otitis media, skin and respiratory infections and gastroenteritis [ 1- 4].
But their stand-out common quality is their exceptionally executed crafted detail".
Their essays follow no particular pattern, the common denominator being the exceptionally high quality of the writing.
