The phrase 'more important than ever before' is correct and usable in written English. You can use it when you want to emphasize an idea or action that is increasingly important or relevant. For example: "In this age of technology, basic literacy skills are more important than ever before."
"Finding like-minded others may be more important than ever before," Davis said.
"Our need to have innovative, creative marketing in the U.S. is more important than ever before," said Richard Lovell, a spokesman for Kellogg in Battle Creek, Mich.
"The work of the state medical boards has become more important than ever before," Dr. Harrison L. Rogers, president of the American Medical Association, told the group.
Consumers "seem to view privacy as more important than ever before," she commented.
Cybersecurity is more important than ever before; scams and phishing schemes are not new.
In a knowledge-based global economy where education is more important than ever before, both to individual success and collective prosperity, our students are basically losing ground.
"Awards are more important than ever before," said Larry Gerbrandt, a longtime media analyst.
Collaboration between marketing, sales, and IT is more important than ever before," said Preschern.
Competent management will consequently be more important than ever before.
These conversations are more important than ever before.
This makes decision support systems for the operator more important than ever before.
I love the desktop app, it’s always running on my Mac. Ludwig is the best English buddy, it answers my 100 queries per day and stays cool.
Cristina Valenza
Retail Lead Linguist @ Apple Inc.