A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data
For such issue, I'd suggest you create a support ticket to Microsoft.
Please contact your admin/IT department create a support ticket via Microsoft 365 Admin Center> Support> New service request. Support team there will have the correct channel and resources to help you investigate more and add lastest District in to Excel map. Get support - Microsoft 365 admin | Microsoft LearnAbout how to find the admin in your organization, you can refer to How do I find my Office 365 admin