Cloud storage services are great for keeping documents. Many of them give you cloud storage for free and Air Explorer support them. Adding up each of them you can get a good amount of storage space in the cloud for free and with Air Explorer you can distribute your files ald folders among them.

List of storage services:

–Dropbox: 2GB
–Google Drive: 15GB
–OneDrive: 5GB
–Amazon Loud Drive: 5GB
–Mega: 50GB
–Mediafire: 10GB
–Baidu: 2TB
–Box: 10GB
–Yandex: 10GB
–4shared: 15GB
–Mail.com: 2GB
-Hidrive: 5GB
–Pcloud: 10GB

You can check more information here:
-Air Explorer dark mode
-Air Explorer, manage all your cloud storage accounts using just one program
-How to buy Air Explorer and get all its features