Also, you can encounter issues with Outlook not connecting to the server and Gmail, preventing you from accessing your emails.

Why can’t I preview files on Outlook?

This file cannot be previewed error can appear in various forms, and the variation may be based on the cause. Some notable causes of the error are:

The Previewer is not installed or inaccessible – Previewing files on Outlook can be challenging if the app responsible for the task isn’t running. So, when you click on a file or email to access its contents, it will pop up an error with the following Previewer, or there is no previewer installed. Corrupt concerned file or Outlook app file – The error message may also occur if the file you’re trying to preview is corrupt. Also, problems with Microsoft Office or unknown Outlook errors and program files can cause this problem. Issues with Antivirus settings – Sometimes, you can run into the file cannot be previewed error message if the antivirus software running on your device is impeding the action. It may be a setting blocking external files or the Previewer from interacting.

Nonetheless, we’ll take you through some basic steps to resolve the error and get Outlook to work as expected.

What can I do if I get this file cannot be previewed prompt on Outlook?

Apply the following preliminary checks:

Turn off background apps on your computer. Fix network congestion on the device. Close and reopen the Outlook app, then check if the problem persists.

If the error persists, follow the steps below:

1. Ensure the right Previewer is enabled in Trust Center

Enabling the Previewers in Outlook allows it to use them when needed. SPONSORED

2. Check Optimize for compatibility settings

Allowing the Optimize for compatibility option will fix display compatibility issues that can cause the problem. Read our guide on fixing the action cannot be completed error if you run into it on Outlook.

3. Reset Content.Outlook Folder

The Content.Outlook folder stores the files you want to preview in Outlook, so resetting it will remove corrupt files preventing the files from opening.

4. Repair Microsoft Office

Repairing Microsoft Office will fix issues that can cause the file cannot be previewed error. In conclusion, you may be interested in fixing Outlook crashing after Windows updates on your PC. Also, check how to fix Outlook folder disappearing issue on your computer. Should you have further questions or suggestions, please leave them in the comments section.

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