https://www.ptcusercommunity.com/t5/Mathcad-Installation/Restoring-the-file/m-p/1050222#M5157 <P>Check if the file size is larger than 0. If that is the case, attach it. You may need to .zip it first and attach the .ZIP file.</P> <P>&nbsp;</P> <P>Success!<BR />Luc</P> Thu, 08 Jan 2026 11:25:12 GMT LucMeekes 2026-01-08T11:25:12Z https://www.ptcusercommunity.com/t5/Mathcad-Installation/Restoring-the-file/m-p/1050205#M5156 I've saved the file on Mathcad Prime yesterday and today it's unable to be open. Unfortunately no restore file has been saved. Are you able to help with restoring the file?<BR /> Thu, 08 Jan 2026 08:51:22 GMT https://www.ptcusercommunity.com/t5/Mathcad-Installation/Restoring-the-file/m-p/1050205#M5156 PW_14458485 2026-01-08T08:51:22Z https://www.ptcusercommunity.com/t5/Mathcad-Installation/Restoring-the-file/m-p/1050222#M5157 <P>Check if the file size is larger than 0. If that is the case, attach it. You may need to .zip it first and attach the .ZIP file.</P> <P>&nbsp;</P> <P>Success!<BR />Luc</P> Thu, 08 Jan 2026 11:25:12 GMT https://www.ptcusercommunity.com/t5/Mathcad-Installation/Restoring-the-file/m-p/1050222#M5157 LucMeekes 2026-01-08T11:25:12Z