7/06/2023

How to Fix the "The file cannot be previewed there is no previewer " Error in Outlook


When you get error message as illustration, you have two solutions can fix this problem.



First, check setting Attachment and Document Previewers.

1. Open Option and select Trust Center.

2. Click Trust Center Settings.... button 

3. Select Attachment Handing

4. If Turn off Attachment Preview check box is enable, please disable it.


6. Click Attachment and Document Previewers button, and enable check box which previewer you need.









If fist solution doesn't work, you have another way. You can modify Windows Registry. But you must be careful when you modify setting.

1. Press Win + R to open the Run dialog.

2. Type regedit command in the text box and click ok.










3. Use the left pane to navigate to HKEY_LOCAL_MACHINE > ​SOFTWARE > ​Microsoft > ​Windows > ​CurrentVersion > ​PreviewHandlers.


4. If you can't find values as below, please add new string value.

{00020827-0000-0000-C000-000000000046} Microsoft Excel previewer
{21E17C2F-AD3A-4b89-841F-09CFE02D16B7} Microsoft Visio previewer
{65235197-874B-4A07-BDC5-E65EA825B718} Microsoft PowerPoint previewer
{84F66100-FF7C-4fb4-B0C0-02CD7FB668FE} Microsoft Word previewer


5. Exit regedit and restart Windows.