Rounding out that "strong performer" category are Acronis, Hightail, Google's Drive and Microsoft's SkyDrive. Novell falls into the "contender" category.
Koplowitz cautions that the market is very active, and that vendors are moving in aggressively, so the universe of options is far from limited to the 16 vendors evaluated in this study.
In addition, the right product for one company may not be the best one for another company, as that will depend on each company's unique needs, technology priorities and business goals, he said.
What is not in question is the popularity of file sync and share products and the need for enterprise IT leaders to be informed about that market, so they can give employees the appropriate functionality while addressing their company's security, business and compliance requirements, according to Koplowitz.
"This has sneaked up on all of us," he said. "It's happened so quickly."
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