<p>If, instead of cleaning your own files, you want to sanitize untrusted documents shared with you by others, you can install [[<i>Dangerzone</i>|persistent_storage/additional_software/dangerzone]] as additional software.</p>
<p>It is impossible to reliably find and remove all metadata in complex file formats. For example, <i>Microsoft Office</i> documents can contain embedded images, audio, and other files containing their own metadata that Tails cannot remove.</p>