i upload items from import tools and stock from Stock Reconciliation and I have Some Items not display when try to select item code in item table for example in sales order or in advanced search and it’s appear normally in item doc and when copy and past them in item code field its saved normally
Can you share a screen shot explaining your issue?
I don’t think you can rename items from data import tool. try using the Bulk Rename Tool for this.
the problem was in is sales item and is purchase item column have to be in the execle sheet and set to 1