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View PDF files in SharePoint Online list from Power apps PDF viewer

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Posted on by Sunilprakash7

Please check my formula for viewing pdf documents from pdf viewer in power apps according to the solution provided on the video https://www.youtube.com/watch?v=vqK29FWbLxU&t=1143s

All the Office files and image files are working fine except the PDF files

Forumula :

If(

Last(

Split(

Gallery3.Selected.'File name with extension',

"."

)

).Result = "pdf",

"appres://datasources/Testing%20Documetns/table/51f93222-62e2-4a05-a3b0-859e29b94944/rows/0/reference/https:%2F%2Fmsmanaged-na. shared-sharepointonl-ea3cc5bb-5184-49af-8ab5-11fd5538f7b7%2F %25253a%25252f%25252fteamashland.sharepoint.com%25252fsites%25252fntx%25252fcit%25252ftest%2FGetFileContentByPath%3Fpath=%252f"

& EncodeUrl(Gallery3.Selected.'Folder path' & Gallery3.Selected.'File name with extension'),

Substitute(

Gallery3.Selected.Thumbnail.Large,

"/thumbnail",

"/pdf"

)

The author gave me a suggestion like below but it seems not working for me so can anyone help me on this to finish my project ? Any ideas ?

"In the document URL the 32 digit id/number between 'azure-apim.net%2Fapim%2Fsharepointonline%2F' and 'datasets%2Fhttps' changes by user. So I kept a single dummy file at root level and saved its url in Pic column. In PA I am looking up that file using its ID and substituting the 32 digit id/number out and concatenating it within my pdf document url. It seems to work."

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Building Power Apps

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Ellis Karim 12,294 Super User 2026 Season 2 on at

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Did you manage to resolve this issue?
Ellis
Sunilprakash7 15 on at

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No. Please let me know if have any solution for it.
Ellis Karim 12,294 Super User 2026 Season 2 on at

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I was able to implement the PDFViewer for a SharePoint List using Power Apps (customised SharePoint form). I was able to preview list item attachments (PDF files) using the PDF viewer:
The list item attachments are displayed in a Gallery:
The OnSelect code - when clicking on an item in galAttachments:

//Set(varAttachmentURL, varContractsLibraryAttachmentURL & lblID.Text & "/" & ThisItem.Name & "?web=1"); // does not handle image files! Concurrent( Set( varShowPDFDoc, true ), lblAttachmentName.Text = ThisItem.Name, Set( fileExt, Last( Split( ThisItem.Name, "." ) ).Result ) ); If ( fileExt = "pdf", // Don't need the code below. Using PDFViewer instead, requires Value. Set( varAttachmentURL, lblSiteAddress & "/" & lblFolderPath & lblID & "/" & ThisItem.Name & "?web=1" ), // Office Documents Set( varAttachmentURL, //lblSiteAddress & "/" & lblFolderPath & lblID & "/" & ThisItem.Name & "?web=1" lblSiteAddress & "/_layouts/15/WopiFrame.aspx?sourcedoc=/sites/ContractsRepo/" & lblFolderPath & lblID & "/" & ThisItem.Name & "&action=view" ); // Not opening link, only want to open PDF docs, in PDF viewer //Launch(varAttachmentURL) )

For the PDFviewer, the Document property is:

If( fileExt = "pdf", galAttachments.Selected.Value //SamplePdf )

What worked for me is to use: galAttachments.Selected.Value
Unfortunately, I don't get to work with Power Apps very often.
Hope this helps.
Ellis