Navigate to “ Update & Security” > “ Windows Security” > “ Firewall & network protection“.
Select the “ Start” button, then select “ Settings“.
But some user have reported that enabling the Windows Firewall fixes their issue. Try to preview an Office file from Outlook now.
When prompted, select “ Yes” to import the file into the registry.
Open the file and double-click “ PreviewFix.reg“.
There is commonly a problem where Windows is not configured to let Outlook preview Microsoft Office files such as Word, Excel, Visio, and PowerPoint files.
Make sure that the previewer you wish to use is checked, then select “ OK” three times.
Select the “ Attachment and Document Previewers…” button.
Ensure that “ Turn off Attachment Preview” is NOT checked.
In Outlook, go to “ File” > “ Options” > “ Trust Center” > “ Trust Center Settings…” > “ Attachment Handling“.
Excel for spreadsheets, Word for documents, and Adobe Reader for PDF files.įix 2 – Check Attachment Handling Settings Ensure that the application used to open the file is installed.