四个空格简略步骤如下：
1.加入页面
中文
https://developer.microsoft.com/zh-CN/microsoft-365/dev-program
或英文
https://developer.microsoft.com/en-us/microsoft-365/dev-program
2.查看存储
https://admin.onedrive.com/?v=StorageSettings
3.查看自己的链接地址
在Office 365页面https://www.office.com/?auth=2 点击Onedrive，跳转到onedrive。
类似：
https://winbert-my.sharepoint.com/personal/winbert_winbert_onmicrosoft_com/_layouts/15/onedrive.aspx
5.扩展5T空间
需下载SharePoint Online Management Shell，地址： http://www.microsoft.com/en-us/download/details.aspx?id=35588。
$adminUPN="[email protected]"
$orgName="aitlp"
$userCredential = Get-Credential -UserName $adminUPN -Message "Type the password"
# 弹出密码输入窗口
Connect-SPOService -Url https://$orgName-admin.sharepoint.com -Credential $userCredential
Set-SPOTenant -OneDriveStorageQuota 5242880
Set-SPOSite -Identity https://aitlp-my.sharepoint.com/personal/winbert_aitlp_onmicrosoft_com -StorageQuota 5242880
6.绑定自己的域名
添加域 ： https://admin.microsoft.com/AdminPortal/Home#/m365setupwizard。
7.用户管理界面
https://admin.microsoft.com/
参考：