Hi @Richard Simon ,
Welcome to Q&A form!
According to your description, it seems that the methods you can use are limited. The method in the blog is currently the best method. If you cannot use PS7.x, as a workaround, you can try the following method:
- First grant yourself permission to all OneDrive sites in the tenant:
Non-official, just for reference.
- Then obtain the URL list of all OneDrive sites in the tenant:
https://learn.microsoft.com/en-us/sharepoint/list-onedrive-urls
- Enter the OneDrive site through the URL to search for files.
Or, only enter its site to search when someone needs to search.
Although in my opinion, this is a very general method. . .
Good day!
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