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How to Preview the attachment without download

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Posted on by Grisha Asatryan

Hi there!

Can anyone suggest I find out a way how can I make Preview the attachments without downloading them?

I have this issue. Here in Timeline I have Notes and the attachments

Untitled.png_2D00_640x480.png_2D00_640x480.png

I just need to be able to preview the attached files in a new window, and for all kinds of documents (pdf, excel, word, txt and etc) or just make a preview without PCF.

While researching I saw this post and it was helpful, I just don't know from where do I need to start.

mahadeomatre.blogspot.com/.../view-or-download-attachments-for.html

Hope to get a reply as soon as possible and thanks in advance!

Regards
Grisha

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vdblohowiak on at

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RE: How to Preview the attachment without download

I have a PCF component. I get all notes with attachments via an OData query on the annotation (note) entity that looks something like this:

?$select=filename,mimetype,createdon,annotationid,documentbody&$filter=(_objectid_value eq ${context.page.entityId}) and (startswith(mimetype, 'image%2f') or startswith(mimetype, 'video%2f'))

I can render it in an HTML <img/> tag with the src like this:

src={`data:${attachment.mimetype};base64,${attachment.documentbody}`}

Unfortunately, this still has to download all attachments (since I am returning documentbody in my query) in order to render the PCF. With 5+ images or videos, this can start to take a very long time. Do you know how to get the public URL of the file? I don't know where that is or if it even exists.
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dgdf 15 on at

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RE: How to Preview the attachment without download

No way to easily show a preview without using a PCF component.

Only way to obtain a similar result is generate a web resource on Dynamics that dinamically points to the public URL of the file.

For example, you can add in your web resource a picklist loaded with the list of the attachments related and in the selection event, pass the url of the file in an iframe added below.

Probably, some type of unsupported files will be downloaded automatically by the browser. Unfortunatly, it will depends by the client...
Be Elshayep 84 on at

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RE: How to Preview the attachment without download

Have you found a way yet to view word or excel or non-pdf or text files?
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Community Member Microsoft Employee on at

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RE: How to Preview the attachment without download

Hi Grisha,

The content of this link is divided into two main sections:

(1)Create one web resource and add it to one entity form.

Create web resources in Dynamics 365 Customer Engagement (on-premises) | Microsoft Docs

(2)Create one button to the form.

This is the download page for Ribbon Workbench:

http://www.develop1.net/public/rwb/ribbonworkbench.aspx