Fiscal third-quarter sales increased 3.2% to about $1.14 billion.
Profit, excluding some items, was $1.29 a share, beating estimates of $1.10 a share.
Zoom has focused on business customers and added features such as word processing.
Shares gained about 6% in extended trading after the announcement.
Revenue for the current period ending in January is expected to be about $1.13 billion, in line with estimates.
Profit, excluding some items, is expected to be about $1.14 a share, higher than the average estimate of $1.09 a share.