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id: post/sauravdhyani-com/tag-blogger-com-1999-blog-3122193036149030463-post-7010066564245788546--9c8ee5a738
type: post
title: Preview Images Directly in the Business Central Web Client
summary: Business Central now supports previewing image attachments directly in the web client without downloading. The feature works with multiple image formats across attachments, agents, email, and FactBox thumbnails, with developers using File.ViewFromStream (online) or File.View (on-premises) to integrate the functionality into extensions.
tier: community
language: en
tags:
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  - attachments
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system: platform
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    title: Preview Images Directly in the Business Central Web Client
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    title: Preview Images Directly in the Business Central Web Client
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    quote: Business Central now lets users preview supported image attachments directly in the web client without downloading the image first.
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    title: Preview Images Directly in the Business Central Web Client
    date: "2026-10-05"
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    quote: For Business Central online, extension developers should use File.ViewFromStream when they want to provide the image preview experience.
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post_id: tag:blogger.com,1999:blog-3122193036149030463.post-7010066564245788546
source_id: sauravdhyani-com
source_name: Saurav Dhyani
url: https://www.sauravdhyani.com/2026/09/preview-images-directly-in-business.html
published_at: "2026-10-05T05:30:00.000Z"
author: Saurav Dhyani
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words: 1072
quotes:
  - text: Business Central now lets users preview supported image attachments directly in the web client without downloading the image first.
    why_it_matters: This is the core feature announcement that addresses a common workflow problem of having to download files just to view them
  - text: For Business Central online, extension developers should use File.ViewFromStream when they want to provide the image preview experience.
    why_it_matters: Provides specific implementation guidance for developers integrating the new preview capability into extensions
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---

# Preview Images Directly in the Business Central Web Client

[Read the post](https://www.sauravdhyani.com/2026/09/preview-images-directly-in-business.html) · Saurav Dhyani (Saurav Dhyani, MVP) · 2026-10-05 · 1072 words · tier community · reviewed (checked by Opus)

> Business Central now supports previewing image attachments directly in the web client without downloading. The feature works with multiple image formats across attachments, agents, email, and FactBox thumbnails, with developers using File.ViewFromStream (online) or File.View (on-premises) to integrate the functionality into extensions.

## Key points

- Users can view supported image files in a dedicated previewer similar to PDF and print preview experiences
- Supported formats include JPEG, JPG, PNG, BMP, SVG, WEBP, ICO, GIF, AVIF, and TIFF/TIF in Safari
- Animated GIFs are supported as FactBox thumbnails with animation for up to 48 frames
- Extension developers can use File.ViewFromStream (online) or File.View (on-premises) to enable preview functionality
- Image and PDF thumbnails can be clickable entry points to open the previewer

## Quotes

- "Business Central now lets users preview supported image attachments directly in the web client without downloading the image first." (This is the core feature announcement that addresses a common workflow problem of having to download files just to view them)
- "For Business Central online, extension developers should use File.ViewFromStream when they want to provide the image preview experience." (Provides specific implementation guidance for developers integrating the new preview capability into extensions)

## AL objects mentioned

As named in the post. A name that matches one object page by exact type and name links to it; the others stay as named.

- other "File.ViewFromStream"
- other "File.View"
- other "File.Download"

## Context

- Features: Image preview in web client, Supported image formats, Animated GIF thumbnails, Clickable thumbnails, FactBox thumbnail support, Extension preview integration

Source: Saurav Dhyani, community blog. Summary, key points and quotes are derived (CONTENT-NOTICE.md); read the original for the full text.