The second version is clearer and thus preferable. Of course, there are exceptions to every rule. What if you are the head of the Global Finance Team? You may want to get your message across without calling excessive attention to the fact that the error was your team’s fault. The passive voice allows you to gloss over an unflattering point—but you should use it sparingly.
Tips and Tricks for Better Letters: Following the proper formatting is only the first part of writing a letter that gets action. The content of a poorly formatted letter is unlikely to be read _ in one study of HR personnel, more than 80% said they’d throw out a resume if there were only one or two errors in the cover letter _ but even a well_formed letter is unlikely to be acted on unless the content is powerful and engaging. Once you have their attention, you need to create interest in whatever you’re offering. Promise to solve their problems _ with a great product, with your services, with a partnership, with whatever it is you’re writing about.