 SAN FRANCISCO--BUSINESS WIRE--Slack Technologies, Inc. NYSE:WORK today announced that it will report its financial results for the first quarter of fiscal year 2022, ended April 30, 2021, following the close of the U.S. markets on Thursday, June 3, 2021. About Slack Slack has transformed business communication. Its the leading channel-based messaging platform, used by millions to align their teams, unify their systems, and drive their businesses forward. Only Slack offers a secure, enterpr 