The phrase "about previously" is not correct and does not convey a clear meaning in written English.
It is unclear when to use it, as it lacks context and proper grammatical structure.
Example: "We need to discuss about previously mentioned topics."
Alternatives: "regarding earlier" or "concerning what was said before."
No details were released about previously announced concert performances.
"The issues that led us to this point are largely the issues we've talked about previously".
The organization says it is still receiving information about previously unknown murders.
Scientific progress inevitably led to questions about previously established certainties about God and the purpose of human existence.
However, there has been deepening international alarm about previously undiscovered Iranian nuclear facilities, and its rapid progress in enriching uranium.
Protests erupted in more than 80 Chinese cities. Ms Lim writes at length about previously unreported unrest in Chengdu.
IT-security experts engage in behavior-based malware analysis in order to learn about previously unknown samples of malicious software (malware) or malware families.
Starting from usability engineering, a proposal of a framework that considers evaluation criteria about previously modeled processes with BPMN results necessary.
The agreement, drafted by a committee of public representatives, had a high-minded purpose: to develop shows made by and about "previously disenfranchised" sectors of society.
About previously announced sanctions, which one reporter called "in some cases risible", Carney said "the costs have been real and they will increase".
Competition is fiercest on a Saturday night where Strictly Come Dancing on BBC1 clashes with ITV's X Factor, a fact which Whittingdale has spoken out about previously.
