When you sign in to Windows 8.1 with a Microsoft account, various PC settings and app data you choose to sync are also saved on SkyDrive. SkyDrive is a free cloud storage service which is integrated into Windows 8.1. By signing in with your Microsoft account, you can sync a wide variety of settings, including (but not limited to) Metro and desktop personalization settings, passwords, app settings, browser settings, and more. However, if you consider synchronizing all this data a privacy risk, then you can remove it from SkyDrive. Here's how to do that.