Cannot Open Damaged File. Visit Adobe Document Cloud on Facebook Visit Adobe Document Cloud. I am trying to open my security centre, adobe reader opens up and states it is not a supported file or it was damaged as an email attachment that wasnt correctly. Workarounds to open PDF files that do not open in Adobe Acrobat. Resolve the damaged document error when. Error Message Adobe Reader. Adobeboth reader and acrobat doesnt open them. Adobe Reader could not open the file because either it. I cannot open an email attachment. I cannot open an email attachment of a. Adobe. Yep, thats it. Try this Right click on the attachment in the message again and select Save as. This time, in the. File name box at the bottom of the Save Attachment As box, delete one of the two dots in the file name before. Save.  Then try opening it with the Word viewer you downloaded or with Word Web App. Download Gears Of War Highly Compressed. If you still cant get it, email me jnllb at msn dot com and Ill send you a PDF of the document that you should be able to open with Adobe Reader.