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Creating multi level Bill of Materials (BOM) from single level table

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    Creating multi level Bill of Materials (BOM) from single level table

    Hi,

    I am trying to convert a report with single level BOM report that shows the parent assembly in column A and the child component in column F (see PNG attachment). All the data for the child component is contained in each row, with the parent assembly listed for each BOM line. However, the child components are used in multiple parent assemblies and the child component can also contain further subassemblies and eventually last level components, therefore they are parent items in column A also.

    What I require is a method of converting the data into an exploded multilevel BOM (see PDF attachment), but preferably in a regular Excel table. There are currently 86,000 lines and once the further levels are applied this will vastly increase the number of lines (but hopefully Excel should be able to handle this).

    I have seen a coulpe of methods online using Power Query but I'm hoping this can be done using either Power Pivot or VBA.

    Any help would be vastly appreciated 🤞👍
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    Forum Moderator AliGW's Avatar
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    Re: Creating multi level Bill of Materials (BOM) from single level table

    Welcome to the forum.

    There are instructions at the top of the page explaining how to attach your sample workbook (yellow banner: HOW TO ATTACH YOUR SAMPLE WORKBOOK). Screenshots are of little practical use as we cannot manipulate them.

    A good sample workbook has just 10-20 rows of representative data that has been desensitised. It also has expected results mocked up, worked examples where required, relevant cells highlighted and a few explanatory notes.
    Ali


    Enthusiastic self-taught user of MS Excel who's always learning!
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    Re: Creating multi level Bill of Materials (BOM) from single level table

    Rule 7: Cross-posting Without Telling Us

    Your post does not comply with Rule 3 of our Forum RULES. Do not cross-post your question on multiple forums without telling us about your threads on other forums.

    Post a link to any other forums where you have asked the same question.

    Cross-posting is when you post the same question in other forums on the web. The last thing you want to do is waste people's time working on an issue you have already resolved elsewhere. We prefer that you not cross-post at all, but if you do (and it's unlikely to go unnoticed), you MUST provide a link (copy the url from the address bar in your browser) to the cross-post.

    Read this to understand why we ask you to do this.

    I have added the crosspost reference for you today. Please comply with this and all our rules in the future

    However, if you continue to crosspost, you can expect to have your thread BLOCKED until you update it yourself.

    crossposted: https://www.mrexcel.com/board/thread...-data.1246344/
    Alan עַם יִשְׂרָאֵל חַי


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    Re: Creating multi level Bill of Materials (BOM) from single level table

    Hi AliGW,

    Apologies, I'm new to the forums. I'll delete the post and create another one with more simplified data.

    Thanks

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    Re: Creating multi level Bill of Materials (BOM) from single level table

    Apologies, Alan, I wasn't aware of this rule and have also been advised the same on Mr Excel. I will follow the rules in future

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    Forum Moderator alansidman's Avatar
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    Re: Creating multi level Bill of Materials (BOM) from single level table

    Do not post a new thread. Continue in this one as instructed by Ali. It is against the rules that you need to read to understand how to post here and not post more than one thread per topic. Any new post will be closed.

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