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Alternatives to PolyLookup PCF for Multi-Select Lookup in Mobile Offline Mode (Dynamics 365 CE)

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Posted on by #ManoVerse

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Are there any alternative solutions to the PolyLookup PCF control for implementing multi-select lookup functionality in Dynamics 365 CE that support mobile offline mode? The current PCF-based PolyLookup doesn't work in offline scenarios, and I’m looking for a workaround or native approach that maintains N:N relationship flexibility and offline compatibility.

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Tom_Gioielli 2,497 Super User 2025 Season 2 on at

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Alternatives to PolyLookup PCF for Multi-Select Lookup in Mobile Offline Mode (Dynamics 365 CE)

There's an XRM Toolbox tool that can create Polymorphic lookup fields directly into CRM for you, if that helps. It's called "Polymorphic Lookup Manager".

Polymorphic Lookup Creator · XrmToolBox

I'm not sure which PCF control you are using, but this will create an actual field in Dataverse that works similar to "Customer" or other Polymorphic fields.

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#ManoVerse 318 on at

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Alternatives to PolyLookup PCF for Multi-Select Lookup in Mobile Offline Mode (Dynamics 365 CE)

I am using this https://github.com/khoait/DCE.PCF/wiki/PolyLookup i need the ability to select multiple value for lookup.

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Tom_Gioielli 2,497 Super User 2025 Season 2 on at

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Alternatives to PolyLookup PCF for Multi-Select Lookup in Mobile Offline Mode (Dynamics 365 CE)

I'm going to apologize in advance if I sound needlessly pedantic, but I think this distinction is important.

What you are describing isn't a polymorphic lookup in the sense that Dynamics CRM would define it. Instead, it is a PCF control that displays a standard N:N relationship in a different way than a subgrid on a form. Actual Polymorphic lookup fields in Dynamics CRM are those that allow a user to select records from more than one table (such as the customer field on many records).

Use multi-table lookup columns - Power Apps | Microsoft Learn

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Even using that PCF linked control, the N:N relationship it hooks into exists as it normally would and can be interacted with on a standard subgrid. This functionality would work if offline, provided both tables have been added to your offline profile. I would recommend adding the subgrid to your form so that users can add or remove items from the relationship using the default subgrid and buttons.

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#ManoVerse 318 on at

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Alternatives to PolyLookup PCF for Multi-Select Lookup in Mobile Offline Mode (Dynamics 365 CE)

@Tom_Gioielli Thank you for pointing that out! Yes, it’s important to make the distinction. We refer to it as a poly lookup because we want users to select multiple values directly in the lookup field, not in a grid and also this PCF control named like ways. That’s why I mentioned it that way , my bad :)

The only challenge with this control is complete offline mode, where we face the limitation that creating N:N relationship records creation is not supported and we do face challenge to maintain the same behavior of multi selection on lookup.

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