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For hosting common files it's ok. Also it is on Android too do, great to transfer files between your Windows and your phone. But if you want better security you have to subscribe a monthly offer.
Dropbox - Online Sync and File Sharing
FileProInfo - It's All About Files, Software, Online Tools - 100% Free
Google Drive - Access and sync your files anywhere
File-Extensions.org - Large computer file extension library with detailed explanation of each file type with links to download free or associated software programs.
Mega - Secure File Storage and collaboration
FileInfo.com - FileInfo is the central file extensions registry and contains a database of over 10,000 file types.