| Source | Target | | Orchestrator Integration Toolkit | Orchestrator Integration Toolkit |
| Orchestrator Management Service | Orchestrator Management Service |
| Orchestrator Orchestration Console | Orchestrator Orchestration Console |
| Orchestrator Runbook Server | Orchestrator Runbook Server |
| Orchestrator Runbook Server Monitor | Orchestrator Runbook Server Monitor |
| Orchestrator Runbook Service | Orchestrator Runbook Service |
| OS 升级模式 | OS upgrade mode |
| OS/4 | OS/2 |
| OSD Source Root | OSD Source Root |
| OSD 文件 | OSD file |
| OSI | OSI |
| OSP | OSP |
| OSPF | OSPF |
| OTB | OTB |
| OTC | OTC |
| otherwise 元素 | otherwise element |
| OTP | OTP |
| OTS | OTS |
| OUI | OUI |
| Outlook 2010 with Business Contact Manager | Outlook 2010 with Business Contact Manager |
| Outlook Connector 组件 | Outlook Connector Pack |
| Outlook Live 管理代理 | Outlook Live Management Agent |
| Outlook Social Connector | Outlook Social Connector |
| Outlook Voice Access | Outlook Voice Access |
| Outlook Web Access Light | Outlook Web Access Light |
| Outlook Web Access Web 部件 | Outlook Web Access Web Part |
| Outlook Web App | Outlook Web App |
| Outlook with Business Contact Manager | Outlook with Business Contact Manager |
| outlook 今日 | Outlook Today |
| Outlook 加载项 | Outlook add-in |
| Outlook 无处不在 | Outlook Anywhere |
| Outlook 电子邮件邮戳 | Outlook E-Mail Postmark |
| Outlook 相关邮件应用程序 | mail app for Outlook |
| Outlook 通讯簿 | Outlook Address Book |
| Outlook 配置文件 | Outlook profile |
| Outlook 集成 | Outlook integration |
| Outlook 项 | Outlook item |
| Outlook.com | Outlook.com |
| OVC | OVC |
| Overheidstransactiepoort | Overheidstransactiepoort |
| ping 超时 | ping time out |
| pipebind 对象 | pipebind object |
| POS 对象链接与嵌入 | object linking and embedding for POS |
| Power BI for Office 365 | Power BI for Office 365 |
| PowerPoint 联机查看器 | PowerPoint Online Viewer |
| PowerShell 管道对象 | PowerShell pipe object |
| Project Online | Project Online |
| Project Online with Project Pro for Office 365 | Project Online with Project Pro for Office 365 |
| Project Pro for Office 365 | Project Pro for Office 365 |
| RADIUS OTP | RADIUS OTP |
| RADIUS 一次性密码 | RADIUS One-Time Password |
| ROM 选项 | option ROM |
| royalty OEM | direct OEM |
| royalty OEM | royalty OEM |
| Server Operators 组 | Server Operators group |
| SharePoint Online 存储空间 | SharePoint Online Storage |
| SharePoint Online 管理中心 | SharePoint Online Administration Center |
| Signing Services for Office | Signing Services for Office |
| SOX 一致性和技术选项 | SOX Compliance and Technology Options |
| SQL Server Store for Office Applications | SQL Server Store for Office Applications |
