Microsoft built a wall around its customers that could stop Slack's growth in its tracks (WORK, MSFT)

Slack's growth prospects in a critical market will face an imposing wall erected by Microsoft, according to a report by Wedbush Securities.
Microsoft Teams, a competing product to Slack, is available for free to business customers of Microsoft Office 365. That will keep many Microsoft enterprise customers from moving to Slack, according to the report.
Large enterprise customers are especially important to Slack's future revenue potential.
"The Slack solution is impressive and represents a strong