https://learn.microsoft.com/zh-cn/sharepoint/manage-loop-components
https://learn.microsoft.com/zh-cn/microsoft-365/admin/email/create-edit-or-delete-a-security-group?view=o365-worldwide
新建安全组-成员
https://admin.microsoft.com/adminportal/home?#/groups
新建策略配置
https://config.office.com/officeSettings/officePolicies
选择范围-安全组
搜索loop策略并开启
然后发布
检查是否启用了loop组件
下载安装SharePoint Online Management Shell
打开SharePoint Online Management Shell
##domain与你全局域 登录全局管理
Connect-SPOService -URL https://domain-admin.sharepoint.com
##检测是否启用了loop组件 验证 IsLoopEnabled 的值是否为 true
Get-SPOTenant
##开启loop组件
Set-SPOTenant -IsLoopEnabled $true
##关闭loop组件
Set-SPOTenant -IsLoopEnabled $false