8x8, Inc. provided earnings guidance for the fourth quarter and revises earnings guidance for the full year of fiscal year ending March 31, 2021. For the quarter, the company expects total revenue guidance in the range of $138.5 million to $140.5 million. For the period, the company raises total revenue guidance from a range of $519.0 million to $522.0 million to a range of $526.1 million to $528.1 million, representing approximately 18% year-over-year growth.