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SharePoint Document Issues

How to Fix SharePoint Link Web Part Not Showing PDF Preview

John WilsonJohn Wilson Oct 22, 2026 868 views

Question details

The user wants to display a PDF preview and file description on a SharePoint page, but the embedded Link web part is only showing the document library name and domain.

How to Fix SharePoint Link Web Part Not Showing PDF Preview
Product
Microsoft SharePoint
Device & OS
not provided
Scenario
Embedding a PDF file on a SharePoint site page using web parts for team viewing.
Observed behavior
The Link web part fails to generate a visual PDF preview or show the file description, displaying only the domain and document library path instead.
Before you start

Ensure you have the necessary Edit permissions for the SharePoint site page where you want to embed and display the PDF document.

Solution 1Recommended

Use the File Viewer Web Part to Display PDF Previews

Since the Link web part does not support file previews or custom descriptions for hosted PDFs, using the File viewer web part is the standard method to embed and preview documents natively on SharePoint pages.

The Link web part is optimized for external web links and page routing. When pointed at a specific file like a PDF, it cannot extract thumbnails and defaults to showing the structural path.

To achieve a rich document display, Microsoft SharePoint offers the File viewer web part, which securely embeds the actual PDF file directly on your page.

1
Edit the SharePoint Page

Navigate to the SharePoint site page where you want to display the PDF. Click the 'Edit' button located in the top right corner of the page.

2
Add the File Viewer Web Part

Hover your mouse over or below an existing web part to reveal the '+' icon. Click it to open the web part toolbox, search for 'File viewer', and select it.

3
Select Your PDF File

A file picker window will appear. Choose 'Recent', 'Site', or 'Upload' to locate your target PDF file. Select the document and click 'Open' to embed it.

4
Add Descriptions and Publish

Because the File viewer does not have a built-in description field, click the '+' icon directly above or below the viewer to add a 'Text' web part for your instructions. Once finished, click 'Republish' to save the page.

Use the File Viewer Web Part to Display PDF Previews
Web Part Limitations: Currently, file descriptions cannot be natively configured inside the Link web part or File viewer web part. Using a separate Text web part is the best practice for providing context.
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Frequently Asked Questions

Why does the SharePoint Link web part only show the domain name?

The Link web part is primarily designed to handle standard web pages and external hyperlinks. When pointed directly to a file like a PDF, it cannot parse the internal document contents to generate a thumbnail preview, so it defaults to showing the hosting domain and library path.

Can I add a custom description directly to the File viewer web part?

No, the File viewer web part itself only acts as a window to display the document. To add a custom description or provide user instructions, you should add a standard Text web part directly above or below the File viewer web part on your page.

Which file types are supported by the SharePoint File viewer web part?

The File viewer web part supports a wide variety of file types beyond PDFs, including Microsoft Word documents, Excel spreadsheets, PowerPoint presentations, Visio diagrams, and many standard 3D models and image formats.