SkyDrive Help & How-to
You can upload files on SkyDrive using the standard upload page (if you need to upload only a few files) or the bulk upload tool (if you need to upload a large number of files). Each file you upload can be up to 300 MB. If you have the SkyDrive app installed, you can upload files and folders to SkyDrive automatically by copying, moving, or saving them to the SkyDrive folder on your computer. Files you upload this way can be up to 2 GB in size.
Go to SkyDrive.com.
You might need to sign in with your Microsoft account.
Go to the folder that you want to add files to.
Click Add files.
Click Select them from your computer and choose the files that you wish to upload, and then click Open.
If prompted, install Microsoft Silverlight.
Add the files you'd like to upload by dropping them into the Drop files here area. Don't close or leave the upload page until your files have finished uploading.
Microsoft might limit the number of files that you can upload to SkyDrive each month.
Please respect copyright and be careful what you share online. Copying or sharing unauthorized materials violates the Microsoft service agreement .
Need more help? Ask your question in the SkyDrive forums
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Can't get to SkyDrive? Check service status
Need help with Microsoft Office Web Apps? Go to Office Web Apps Help and How-to