https://forums.autodesk.com/t5/fusion-support-forum/i-can-not-export-the-model-to-3d-pdf/m-p/10645688#M72161 <P>Have you got a PDF viewer running like Acrobat with the file open? Can sometimes even happen if you have file explorer open with a preview pain.&nbsp;</P> <P>I've seen file explorer lock files like this with the preview. Try closing any other running programs.</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="HughesTooling_0-1632504770908.png" style="width: 400px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/969415i29175ACF59ACCD4F/image-size/medium?v=v2&amp;px=400" role="button" title="HughesTooling_0-1632504770908.png" alt="HughesTooling_0-1632504770908.png" /></span></P> <P>&nbsp;</P> Fri, 24 Sep 2021 17:33:18 GMT HughesTooling 2021-09-24T17:33:18Z https://forums.autodesk.com/t5/fusion-support-forum/i-can-not-export-the-model-to-3d-pdf/m-p/10645653#M72160 <P>Hello,<BR />I can not export the model to 3D pdf, since I get this error message:<BR />Unable to write file *****.pdf. It is already present and being used by another application. (It visible on attached picture)<BR />Thank you for you help in advance.</P> Fri, 24 Sep 2021 17:12:28 GMT https://forums.autodesk.com/t5/fusion-support-forum/i-can-not-export-the-model-to-3d-pdf/m-p/10645653#M72160 Anonymous 2021-09-24T17:12:28Z https://forums.autodesk.com/t5/fusion-support-forum/i-can-not-export-the-model-to-3d-pdf/m-p/10645688#M72161 <P>Have you got a PDF viewer running like Acrobat with the file open? Can sometimes even happen if you have file explorer open with a preview pain.&nbsp;</P> <P>I've seen file explorer lock files like this with the preview. Try closing any other running programs.</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="HughesTooling_0-1632504770908.png" style="width: 400px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/969415i29175ACF59ACCD4F/image-size/medium?v=v2&amp;px=400" role="button" title="HughesTooling_0-1632504770908.png" alt="HughesTooling_0-1632504770908.png" /></span></P> <P>&nbsp;</P> Fri, 24 Sep 2021 17:33:18 GMT https://forums.autodesk.com/t5/fusion-support-forum/i-can-not-export-the-model-to-3d-pdf/m-p/10645688#M72161 HughesTooling 2021-09-24T17:33:18Z https://forums.autodesk.com/t5/fusion-support-forum/i-can-not-export-the-model-to-3d-pdf/m-p/10645696#M72162 <P>Are you using a third party add in to export to 3d PDF? I notice the file is read only, not sure if that might be a problem.</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="HughesTooling_0-1632505022908.png" style="width: 400px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/969417iE86CD69E6340BD76/image-size/medium?v=v2&amp;px=400" role="button" title="HughesTooling_0-1632505022908.png" alt="HughesTooling_0-1632505022908.png" /></span></P> <P>&nbsp;</P> Fri, 24 Sep 2021 17:37:41 GMT https://forums.autodesk.com/t5/fusion-support-forum/i-can-not-export-the-model-to-3d-pdf/m-p/10645696#M72162 HughesTooling 2021-09-24T17:37:41Z