I use dropbox to save all my documents online. I saved many files there and It's very simple to organize it. Dropbox is very simple to use and I'm confident that my files are safe when I'm using it.
As we got more than 3-4 people involved, folders and documents started disappearing, duplicating, etc. We were always having to schedule time to organize Dropbox. Also, way more expensive for personal use than other comparable apps. My company used Dropbox for a couple of years and eventually ...
Free up to 2 GB
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$12 per user per month - unlimited storage