Elvis Picardo is a regular contributor to Investopedia and has 25+ years of experience as a portfolio manager with diverse capital markets experience. Samantha (Sam) Silberstein, CFP®, CSLP®, EA, is ...

Alice Zhang is an Editor with Investopedia. She works on stories about business and impact investing. She is a Certified VITA Advanced Tax Preparer. Thomas J Catalano is a CFP and Registered ...

Microsoft's cross-platform Exchange Web Services (EWS) API will end on October 1, 2026. This change will affect Exchange Online customers utilizing EWS to access emails and contacts. EWS users who ...