New answers tagged security
After I cleaned the cache the error below stopped: Content deployment job 'Remote import job for job with sourceID = d70b63f3-89f5-42e2-8f5d-8457d29cdfe8': Import in progressThe exception thrown was 'Microsoft.SharePoint.SPException' : 'The context has expired and can no longer be used. (Exception from HRESULT: 0x80090317)' ...
To grant access to SharePoint to an internal account it must be a user in Office 365 with a licensed assigned. Once you assign the license they will be available to grant access inside SharePoint. There is not difference between a live "User" and a "service" account as far as O365 goes.
As Rohit stated: This is event theoretically not possible. Every bit of information a user sees in his browser is already downloaded on his computer. So you can make it harder to a person to download stuff (block right mouse click, disable buttons etc). But you can't present a file to the user with prevent him to download it. So the only thing you could ...
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