Re: [libreoffice-users] Lost Pass Word

2014-11-26 17:32 GMT+01:00 Tom Davies <tomcecf@gmail.com>:

> I've only done it the other way around though.  An MS Office document
> opened in LibreOffice just by double-clicking it, and later i found the
> document had supposedly been password-protected (but not encrypted).

​It will only ever work this way, not the other.

For reference, old .doc where simply flagged as "password protected", which
of course got us OpenOffice/LibreOffice simply opening them without warning
;)

On the other hand, open password for .odt (and other open document formats)
always implied some form of encryption. Granted, previous versions might
have used what is now weak encryption, but still it is not something that
can be opened easily without password, especially if the file is
manipulated on a regular basis, as recent versions of LibreOffice might
simply have overwritten the old encryption with something more up to date.

I'm afraid that beside brute-force (using a dedicated program) or an
unencrypted backup there is no much hope.

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