With the release of Dynamics 365 Business Central 2025 Wave 1 and the new AL Language extension version 15, it will be possible to preview a file directly in the web client without downloading it first. The new runtime 15 adds a method to the File object called "File.ViewFromStream" which allows you to read a file and preview it in the client. This feature is used in various areas like document attachments and incoming documents to automatically preview an uploaded document. Additionally, a new method called "File.View" is available for Dynamics 365 Business Central on-premises.
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