Now forget to keep a pen drive always with you to work from both office and home, you are also having tension to loss your important data in case you lost your usb drives/disks. But now online storage providers solved your problem, you can use many cloud providers that provides you online storage up to 25 GB free. If you want to upgrade your online storage capacity you can do this by paying to that company.
Windows Skydrive – Windows provides upto 25 GB online storage to their existing customers , if you create an account now you will get 7GB storage. In skydrive there is one best useful thing is that you can view & edit your word, excel and ppt files directly from your browser even you have not installed MS office in your PC. Although these office applications have some limitations and not having all full fledged features as like desktop version . But you can have many general options for editing in MS office user interface. Using skydrive apps you can also sync your files between your PC and cloud for more info see this link – https://apps.live.com/skydrive/app/9a65e47d-606a-4816-a246-90f54bf7a3ea
In windows skydrive there is one backdrop I found is that you can not upload folders to the skydrive but in google drive you can also upload folders if you have google chrome installed in your PC.