https://community.appian.com/discussions/f/general/22205/document-extension-being-changedHi All, When i try to upload a document &quot;MyDocument.txt_TEST&quot;, document extension is being converted to lower case. (MyDocument.txt_test) Could you please suggest how can we keep the document extension unchanged? Thanks in advance. Regards, en-USTelligent Community 12https://community.appian.com/thread/87007?ContentTypeID=1Fri, 15 Oct 2021 14:09:03 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:af47b8fa-90bb-415f-a023-fc16aa5c676fMike Schmitt<p>I&#39;m guessing this is a standard feature of Appian, which would rightly treat extensions as all lower-case by default.&nbsp; What exactly is your use case for needing the &quot;_TEST&quot; snippet capitalized?&nbsp; If you have some functional requirement that can&#39;t be accomplished any other way, I suppose you could open a support case with Appian asking for some sort of behavior change (or override option) to be added to their development backlog, just be aware that you&#39;ll probably be waiting a while for it to be implemented (if ever).</p><div style="clear:both;"></div>