Microsoft SkyDrive has changed the storage limit to 7 GB from the current 25 GB.If you are a SkyDrive user and also and existing user of Hotmail, for a limited time only,you can opt-in to up your storage limit to 25 GB. Google has also, albeit belatedly, entered the cloud storage game offering 5 GB free storage and addition space on purchase. If you have purchase addition capacity for Gmail earlier, your Google Drive will automatically be upgraded to match the capacity you had procured for Gmail. Free Gmail email account storage has also been upped to 10 GB.