Who added a member to a group?

[Jakob Rohde]

Is it possible to find out who added a member to an Office 365 group?

Edit: I can see 30 days in the audit log, so my question is, can I see further back in time somehow using other tools, e.g. PowerShell?

[#2]

The Azure AD audit log is limited to 30 days, but you can search more than that in the Unified audit log: https://docs.microsoft.com/en-us/microsoft-365/compliance/search-the-audit-log-in-security-and-compl...

[#3]

@Jakob Rohde 

We can extend audit logs but higher subscription say E5 is required:

Microsoft 365: Retrieve Audit Log for Longer than 90 Days and up to 1 Year for All Subscriptions (o3...