As rumors have indicated for a while, Microsoft has added paid storage options to its SkyDrive cloud service.
Brand new SkyDrive users get7 GB of storage for free. Existing users (those with accounts as of April 22) continue to get up to 25 GB of storage for free if they opt to do so. After that, an additional 20 GB costs $10 per year; an additional 50 GB costs $25 per year; and an additional 100 GB, $50 per year.
With the SkyDrive app for Windows, everything put in a SkyDrive folder on a Windows PC is automatically kept in sync between PCs, Macs and SkyDrive.com, according to the download site. Also on the feature list:
Microsoft officials have been working to turn SkyDrive into a full-fledged service, rather than just a Web site, for the past several months. The company's moves on this front have taken on an urgency with Google's competitor, GDrive, finally materializing after years of rumors.
Microsoft also made available an updated version of its SkyDrive app for Windows Phone on April 22. There's also a new preview of SkyDrive for Mac OS X Lion available for download today, as well.
Update: Microsoft also updated the iPhone and iPad versions of SkyDrive today, as well. (Thanks for the info, @tomarbuthnot.) These updates support the new Retina Display, and add a couple other new features.
Update No. 2: Microsoft also is surfacing apps that are designed to work with SkyDrive on different platforms and devices (to make them easier for users to discover, I'd assume).