You can restore the SharePoint Online sites to a disk.
From the navigation pane, go to Protect > Applications > Office 365.
The Office 365 apps page appears.
Click the app that contains the sites that you want to restore.
The app page appears.
On the Sites tab, select the sites that you want to restore.
Click Restore, and then click Restore sites.
The Restore options dialog box appears.
From the Restore to list, select Disk.
From the Destination client list, select a client where you want to restore the sites.
To specify the location to restore the sites, in the Destination path box, click Browse, and then select a location.
To overwrite existing items at the destination client, select the Unconditionally overwrite if it already exists check box.
For Restore to disk as, specify what format to restore the sites in:
To restore in the SharePoint native backup file format, select SharePoint native backup files.
You can use the SharePoint native files to import to SharePoint as a package.
To restore in the same format as uploaded on the SharePoint site, select Original files.