Hi,
You can convert your excel file to a CSV, and then do an intersection:
Workflow with:
1. a query on recipients with email domain (@domain is not empty) -> Add data, column @domain, Alias domain
2. a data loading of the CSV, 1 column, internal name domain
3. intersection on "A selection of column": domain

1. Query with Addtional data "domain":

2. Data loading details with 1 column "domain":

3. Intersection on "domain"

The result will contain only recipients with email domains equal to gmail.com or outlook.com
In my example, I have 314 recipients with one of those 2 domains, among my initial 592
Kind regards