| Source | Target | | IRQ | IRQ |
| IRS | IRS |
| ISA | ISA |
| ISA 扩展槽 | ISA expansion slot |
| ISA 服务器管理 | ISA Server Management |
| ISAM | ISAM |
| ISAPI | ISAPI |
| iSCSI | iSCSI |
| iSCSI 发起程序 | iSCSI initiator |
| iSCSI 目标 | iSCSI target |
| ISDN | ISDN |
| ISDN 终端适配器 | ISDN terminal adapter |
| ISDN-TA | ISDN-TA |
| ISF | ISF |
| iSNS | iSNS |
| ISO | ISO |
| ISO 14000 | ISO 14000 |
| ISO 感光度 | ISO speed |
| ISO 映像 | ISO image |
| ISP | ISP |
| ISP 注册服务器 | ISP sign-up server |
| ISP 注册页 | ISP signup offer |
| ISQL | ISQL |
| ISR | ISR |
| ISS | ISS |
| ISTG | ISTG |
| ISV | ISV |
| ISV.config 文件 | ISV.config file |
| Itanium | Itanium |
| Itau | Itau |
| ITF | ITF |
| ITV | iTV |
| IVR | IVR |
| Java IDE | Java IDE |
| Java 集成开发环境 | Java integrated development environment |
| Live Icon | Live Icon |
| Live Meeting Intranet 门户 | Live Meeting intranet portal |
| LOB ID | LOB Id |
| MEF 导入 | MEF import |
| Microsoft .NET Passport 唯一标识符 | Microsoft .NET Passport unique identifier |
| Microsoft Azure 内部承诺 | Microsoft Azure Internal Commitment |
| Microsoft Azure 内部消耗 | Microsoft Azure Internal Consumption |
| Microsoft Azure 导入/导出 | Microsoft Azure Import/Export |
| Microsoft Azure 缓存的角色中缓存 | In-Role Cache for Microsoft AzureCache |
| Microsoft Azure 计算实例 | Microsoft Azure compute instance |
| Microsoft CRM 实施指南 | Microsoft CRM Implementation Guide |
| Microsoft Dynamics CRM 实施指南 | Microsoft Dynamics CRM Implementation Guide |
| Microsoft Identity Lifecycle Manager 2007 | Microsoft Identity Lifecycle Manager 2007 |
| Microsoft InfoPath 2010 | Microsoft InfoPath 2010 |
| Microsoft InfoPath Designer | Microsoft InfoPath Designer |
| Microsoft InfoPath Filler | Microsoft InfoPath Filler |
| Microsoft Internet Information Services | Microsoft Internet Information Services |
| Microsoft iSNS Server | Microsoft iSNS Server |
| Microsoft Office Fluent 用户界面 | Microsoft Office Fluent user interface |
| Microsoft Office Fluent 界面 | Microsoft Office Fluent interface |
| Microsoft Office InterConnect | Microsoft Office InterConnect |
| Microsoft Office Live Communications Server 2005 公共 IM 连结性 | Microsoft Office Live Communications Server 2005 Public IM Connectivity |
| Microsoft Office 隔离转换环境 | Microsoft Office Isolated Conversion Environment |
| Microsoft OLE DB Provider for Internet Publishing | Microsoft OLE DB Provider for Internet Publishing |
| Microsoft Online Services 登录 | Microsoft Online Services Sign In |
