| Source | Target | | Allow Partially Trusted Callers Attribute | Allow Partially Trusted Callers Attribute |
| Allowed Values Collection Editor | Allowed Values Collection Editor |
| Alt キー | ALT key |
| ALU | ALU |
| AlwaysOn 可用性グループ | AlwaysOn Availability Groups |
| AM | AM |
| American Standard Code for Information Interchange | American Standard Code for Information Interchange |
| AMO | AMO |
| AMT | AMT |
| Analysis Services | Analysis Services |
| Analytics Service | Analytics Service |
| AND | AND |
| ANI | ANI |
| ANSI | ANSI |
| ANSI SQL クエリ モード | ANSI SQL query mode |
| ANSI X.12 | ANSI X.12 |
| ANSI 文字セット | ANSI character set |
| Antigen エンタープライズ マネージャー | Antigen Enterprise Manager |
| Antigen サービス | Antigen Service |
| Antigen スパム マネージャー | Antigen Spam Manager |
| Antigen 管理プログラム | Antigen Administrator |
| Anywhere Access | Anywhere Access |
| AO | AO |
| AOT | AOT |
| APC | APC |
| APDU | APDU |
| API | API |
| API サーバー カーソル | API server cursor |
| API 呼び出し | API call |
| APIC | APIC |
| APING | APING |
| APINGD | APINGD |
| APIPA | APIPA |
| APM | APM |
| APM エージェント | APM agent |
| APN | APN |
| App Controller ライブラリ | App Controller Library |
| APPC | APPC |
| APPC Verb | APPC verb |
| APPC モード | APPC mode |
| APPC モード名 | APPC mode name |
| AppDomain | AppDomain |
| AppFabric 1.1 for Windows Server | AppFabric 1.1 for Windows Server |
| Apple QuickTime | Apple QuickTime |
| AppleShare ファイル サーバー | AppleShare File Server |
| AppleTalk | AppleTalk |
| AppleTalk プロトコル群 | AppleTalk Protocol suite |
| Application Advisor | Application Advisor |
| Application Center | Application Center |
| Application Compatibility Toolkit | Application Compatibility Toolkit |
| Application Diagnostics ツール バー領域 | Application Diagnostics toolbar area |
| Application Diagnostics ナビゲーション ウィンドウ | Application Diagnostics navigation pane |
| Application Diagnostics ビュー ウィンドウ | Application Diagnostics view pane |
| Application Diagnostics プレビュー ウィンドウ | Application Diagnostics preview pane |
| Application Initialization | Application Initialization |
| Application Layer Enforcement | Application Layer Enforcement |
| Application Preload | Application Preload |
| Application Registry Service | Application Registry Service |
| Application Source Root | Application Source Root |
| Application Virtualization Client | Application Virtualization Client |
