IDrive Online Backup
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It´s a good product, and I recommend it.
It´s a good product, with a great quality/price ratio. It has enough space for all the things you need to store. The only "but" is that the app it consumes much resources when a backup is doing, but if you only uses the app to create a backup once per week or something similar is ok. I didn´t tested the sync option to synchronize folders between computers, but I think will be as good as the backups. I recommend this service if you need to have backups on the cloud