If you have a long list of emails, you can evaluate whether these emails are even real or not, using the ISEMAIL function. Suppose we have a list of emails in cell range A2:A5 in a given spreadsheet.

Psychologist, author and adjunct instructor at Stanford University Caroline Fleck, PhD, has a new book out entitled Validation: How the Skill Set That Revolutionized Psychology Will Transform Your ...

We get documents in PDF format from the government or other agencies. Some documents come with digital signatures placed on the pages. If they are already validated, we see a Signature Valid message ...

Expertise from Forbes Councils members, operated under license. Opinions expressed are those of the author. An idea is the incentive that makes people take action and start moving forward. But no ...

Today, external validation often dictates our choices and decisions, and the journey to trusting oneself can feel like a radical act of self-love and empowerment. But how does one cultivate this ...

Angelica Leicht is the senior editor for the Managing Your Money section for CBSNews.com, where she writes and edits articles on a range of personal finance topics. Angelica previously held editing ...