If you wanted to use DropBox or SkyDrive on your BlackBerry PlayBook you would have likely had to use Files & Folders app. That all should change with BlackBerry 10.
Box was on hand at BlackBerry Jam Americas where Michael Smith, Product Manager at Box, told how BB10 made it easy for their team to bring Box to the new operating system.
It would appear that it will be similar for both DropBox and Microsoft’s SkyDrive. You can see in the screenshot above that the RIM version of BlackBerry 10 has these apps running along with the Box app.
Neither DropBox nor SkyDrive has announced official support, but the evidence at hand is pretty convincing. You can see where these apps are located in BlackBerry 10 in the walk-through video of it below: