If your Outlook is 64-Bit, select the (64Bit) version.Īfter the download is complete, run the installer and follow the on-screen instructions to complete the installation. In step 3, be sure to choose the same bitness as your version of Outlook. and fill in the steps to get the right version of Adobe Acrobat Reader. Go to Adobe Acrobat Reader DC Install for all versions. If they are different, uninstall the current version of Adobe Acrobat Reader. If your bit version of Adobe Acrobat Reader and Outlook are the same, go to Issue 2. Your version of Adobe Acrobat Reader (32-bit or 64-bit) will be displayed in bold at the top of the window. Open Adobe Acrobat Reader and select Help > About Adobe Acrobat Reader. Your version of Outlook (32-bit or 64-bit) will be displayed in bold at the top of the window. Open Outlook and select File > Office Account > About Outlook. There are two main issues that will cause this error.Īdobe Acrobat Reader is not installed in the same bitness as Outlook Desktop This file cannot be previewed because there is no previewer installed for it. In Outlook, when you attempt to preview a PDF attachment in an email you see the following error:

Adobe acrobat reader dc 64 bit mac