Can I prevent buyers from sharing or having extra copies of my file?

After someone has downloaded a file successfully just once, it is impossible to prevent them from sharing or making additional copies of that file from their own computer, without even having to "download another copy".

What about restricting download attempts?

• Since restricting download attempts has no effect on the downloader's ability to make additional copies on their own after their first successful download, the only purpose of setting download attempts is to define how soon the link expires and becomes useless to everyone;
• It is also impossible to determine if any of the attempts made on a download link resulted in a completed download file, nor if any completed download resulted in a valid, usable, openable file -- a wide variety of uncontrollable technical glitches can result in any download attempt failing or resulting in a corrupt/damaged or othewise useless file;
• Some antivirus/spam scanners will pre-fetch links to look for computer threats, so that would count as at least one "attempt" before a buyer even sees their link;
• The fewer download attempts you allow, the more time you will spend dealing with honest, frustrated customers who simply needed more attempts to complete even one download successfully;
• The more restrictive your download settings, the more refunds you will wind up issuing (PayPal tends to side with the buyer in Dispute Resolutions for digital-product transactions), so you may wind up giving back more money than you'd ever lose from filesharing/piracy (which mostly only affects popular/corporate titles in music, movies, and software).

Is there some way I can control who can open an eBook, even if it gets shared?

If you are selling eBooks, there are solutions to control the ability to open a file, so any copies would be useless without the access code/key, and we have a PDF Stamping feature that discourages sharing by putting the buyer's name, email and unique Transaction ID on every page -- please see Selling eBooks with E-junkie for more details.

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