The phrase "apologize for everything" is correct and usable in written English.
You can use it when expressing regret or remorse for a wide range of actions or situations, often in a context where one feels responsible for multiple issues.
Example: "I want to take a moment to apologize for everything that has gone wrong during this project; I take full responsibility for the miscommunication and delays."
Alternatives: "apologize for all my mistakes" or "express regret for everything."
"I apologize for everything I said that offended people," Shockey said.
"I apologize for everything that was said in that article," said Williams, who had issued an apology about her remarks on the case on her Web site, shortly after the article was published.
(Author's Note: Since finishing this article, I have been informed that this is, in fact, a game. I would like to apologize for everything I said above. But please think about the five hundred dollars).
Now that I see all of the stuff that it has caused, I would like to apologize for everything like that to my family, my friends, my teammates and the owners of this great organization, and to my coach.
But there is also a boyish sweetness to him, and that English decency Orwell put such stock in, and that goes too for the other band members -- they hold doors and ask after the health and spirits of roadies and sign autographs in the cool drizzle outside their hotel as if they liked nothing more and apologize for everything.
The problem is, you never matured from the time you were on the playground and your parents taught you to apologize for everything.
Adam will concede this, and will begin apologizing for everything, and for too long.
Dorothy had despised Helen's habit, when she was younger, of apologizing for everything and everyone around her — which was, in itself, a reaction, Helen had begun to think, to her mother's uncomfortable insistence on truthfulness.
And the latest bit of go-get-'em girl guidance – a commercial from Pantene imploring women to stop apologizing for everything – has just about sent me over the edge.
Get paid what you are worth by paying attention and not apologizing for everything.
Facebook VP of VR Hugo Barra was among the execs at the company that apologized for everything going so wrong.
