Is it possible to create a lookup site column at root site and access it from its subsite? I created it using site column template at root site and it was accessible at root site when added it to a list in subsite, it was not populating any data. Any help is highly appreciated.
If it's posible. Here are the steps:
- Create a list in the root site.
- Create a site column (of type lookup) in the root site referencing the list created in step 1.
- In the sub site, in a list, create a column using the "Add from existing site columns"
Learn more in this article: Create a SharePoint Lookup Column to Another Site