In an online posting seeking people to try out the service, Microsoft said that it plans to start testing this summer.
"This new service will be entering its beta testing phase in a few weeks," the company said on its OneCare Web site.
A Microsoft representative said the upcoming limited beta will be followed by a more broadly available public test later this year.
OneCare is set to combine the anti-spyware software that Microsoft has already been publicly testing along with antivirus and firewall software. Microsoft has not announced pricing for OneCare.
Microsoft. The company has been testing it among Microsoft employees since then, but has said it would begin testing it with outside customers in the summer or fall.