File Management

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Posted on by Muhammad Arif Maseed

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Hello Expert

I have one query regarding File Management I have exposed a codeunit to external application for CRUD operation in one function we have Attachments in which they are passing blob value

so if I write that value in blob filed then I want to decode it to file to original format and store this file in local machine how it is possible ?

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Dynamics 365 Business Central

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Raju Gudipalli 185 on at

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Check Codeunit 419 File management

Example-BlobExport functions

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Teddy Herryanto (Th... 14,306 Super User 2026 Season 1 on at

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You can convert that blob to instream, and download the instream to local machine.

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Muhammad Arif Maseed 795 on at

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Thank you for the response,

@Teddy Herryanto can you please share one example.

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Community Member on at

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You can make changes to the blob to make it instream.

And then download the instream to your system.

Regards.

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Teddy Herryanto (Th... 14,306 Super User 2026 Season 1 on at

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CalcFields("My BLOB");

"My BLOB".CreateInStream(InStr);

File.DownloadFromStream(InStr, 'Download', '', '', "File Name");

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