The SupplyPassword command allows you to unlock a password-protected workbook for the current session.  This allows you to access locked workbook attachments from general Maple commands.

$\mathrm{with}\left(\mathrm{PackageTools}\right)\:$

$\mathrm{SupplyPassword}\left(''mypack.maple''\,''pw123''\right)$

$\mathrm{FileTools}:-\mathrm{Copy}\left(''maple://mypack.maple/protected\_file.mw''\,''file.mw''\right)$

The PackageTools[SupplyPassword] command was introduced in Maple 2017.

For more information on Maple 2017 changes, see Updates in Maple 2017.