| W051 | WXS | Weather Exchange Service | Platform for exchanging weather data | Meteorological stations sharing forecasts |
| W052 | WYA | What You Ask | Common online abbreviation | Social media queries |
| W053 | WYSIWYG | What You See Is What You Get | Display matches final output | Web design or document editing |
| W054 | WZ | Wireless Zone | Wi-Fi coverage area | Campus or office Wi-Fi mapping |
| W055 | W3C | World Wide Web Consortium | Web standards organization | Developing HTML, CSS, and web protocols |
| W056 | WAF | Web Application Firewall | Security system for web apps | Protecting websites from attacks |
| W057 | WAI | Web Accessibility Initiative | Accessibility standards for web | Inclusive website design for disabled users |
| W058 | WAL | Write-Ahead Logging | Database logging technique | Ensuring data integrity in DBMS |
| W059 | WAN | Wide Area Network | Network over large area | Corporate branch offices connected |
| W060 | WAP | Wireless Application Protocol | Mobile network standard | Early mobile internet browsing |
| W061 | WAR | Web Application Archive | Packaged Java web app | Deployment on Tomcat server |
| W062 | WAVE | Wireless Access for Vehicular Environments | Vehicle communication standard | Traffic safety and connected cars |
| W063 | WBAN | Wireless Body Area Network | Wearable medical sensors | Health monitoring devices |
| W064 | WBS | Work Breakdown Structure | Project management tool | Dividing tasks for construction projects |
| W065 | WCF | Windows Communication Foundation | Framework for service apps | SOAP/REST web services in .NET |
| W066 | WCAG | Web Content Accessibility Guidelines | Web accessibility standard | Designing websites for all users |
| W067 | WDM | Wavelength Division Multiplexing | Fiber-optic data transmission | Internet backbone networks |
| W068 | WE | Windows Explorer | File manager in Windows OS | Browsing folders and files |
| W069 | WEB | World Wide Web | Global network of websites | Accessing online resources |
| W070 | WEP | Wired Equivalent Privacy | Early Wi-Fi security protocol | Securing legacy wireless networks |
| W071 | WER | Windows Error Reporting | System error reporting tool | Sending crash reports to Microsoft |
| W072 | WF | Workflow | Process automation tool | Business process management |
| W073 | WFI | Water for Injection | Sterile water for medical use | Pharmaceutical formulations |
| W074 | WFM | Workflow Management | Managing business processes | Automating HR or finance workflows |
| W075 | WFO | Work From Office | Physical workplace presence | Corporate office attendance |
| W076 | WFH | Work From Home | Remote work arrangement | Telecommuting setups |
| W077 | Wi-Fi | Wireless Fidelity | Wireless networking standard | Home or office internet access |
| W078 | WIMS | Web-based Integrated Management System | Online platform for management | Enterprise resource management |
| W079 | WKB | Workbook | Spreadsheet document | Microsoft Excel files |
| W080 | WLC | Wireless LAN Controller | Manages Wi-Fi access points | Enterprise wireless networks |
| W081 | WMS | Warehouse Management System | Software for warehouse operations | Inventory and logistics tracking |
| W082 | WOL | Wake-on-LAN | Remote computer startup | IT administration for remote PCs |
| W083 | WP | WordPress | Content management system | Blogs and business websites |
| W084 | WPA | Wi-Fi Protected Access | Wireless security protocol | Securing modern Wi-Fi networks |
| W085 | WPF | Windows Presentation Foundation | UI framework for Windows apps | Desktop application development |
| W086 | WPT | Web Performance Test | Website speed and reliability evaluation | SEO and web optimization |
| W087 | WQS | Water Quality Standards | Regulations for safe water | Environmental testing and compliance |
| W088 | WR | Water Resistant | Protection against water ingress | Watches, electronics, clothing |
| W089 | WRC | World Radiocommunication Conference | International telecom event | Frequency allocation decisions |
| W090 | WRF | Weather Research and Forecasting | Numerical weather model | Meteorological predictions |
| W091 | WSA | Windows Security Alert | System security notification | Antivirus or firewall alerts |
| W092 | WSC | Web Services Choreography | Coordination of web services | Enterprise service integration |
| W093 | WSDL | Web Services Description Language | XML-based service description | SOAP service implementation |
| W094 | WSS | Web Services Security | Web service security protocols | Protecting APIs and web apps |
| W095 | WTA | Windows Trusted Application | Verified secure Windows program | Running trusted software |
| W096 | WTB | Want to Buy | Marketplace abbreviation | Online classifieds |
| W097 | WTG | Wind Turbine Generator | Converts wind energy to electricity | Renewable energy projects |
| W098 | WTI | West Texas Intermediate | Benchmark crude oil | Oil market pricing |
| W099 | WTP | Water Treatment Plant | Facility treating water | Municipal water supply |
| W100 | WTR | Water | Common abbreviation | Environmental reports or labeling |
| W101 | WTS | Want to Sell | Marketplace abbreviation | Online classifieds |
| W102 | WTW | What to Watch | Media guide abbreviation | Streaming content recommendations |
| W103 | WUA | Water User Association | Community water management group | Irrigation management |
| W104 | WV | Wave | Oscillation or signal type | Radio or oceanography |
| W105 | WW | World Wide | Global reference | Networks, services, or companies |
| W106 | WWAN | Wireless Wide Area Network | Mobile data network | Cellular internet access |
| W107 | WWD | Wastewater Discharge | Industrial water effluent | Environmental monitoring |
| W108 | WWD | World Wide Development | Global development term | NGO or international projects |
| W109 | WWM | World Wide Media | Global media coverage | News and broadcast reporting |
| W110 | WWS | World Water Summit | International water conference | Policy and sustainability discussions |
| W111 | WX | Weather | Meteorological abbreviation | Weather reports and forecasts |
| W112 | WYSIWYG | What You See Is What You Get | Display output matches design | Web design or document editing |
| W113 | WAF | Web Application Firewall | Security system for web apps | Protecting online platforms |
| W114 | WAI | Web Accessibility Initiative | Web accessibility standards | Inclusive web design |
| W115 | WAL | Write-Ahead Logging | Database logging method | Ensuring data integrity |
| W116 | WAR | Web Application Archive | Packaged Java web app | Deployment on Tomcat or JBoss |
| W117 | WAVE | Wireless Access for Vehicular Environments | Vehicle communication standard | Smart traffic systems |
| W118 | WBAN | Wireless Body Area Network | Wearable sensor network | Health monitoring devices |
| W119 | WBS | Work Breakdown Structure | Project management tool | Construction or IT project planning |
| W120 | WCF | Windows Communication Foundation | Framework for service apps | SOAP/REST web services in .NET |
| W121 | WCAG | Web Content Accessibility Guidelines | Accessibility standards | Designing accessible websites |
| W122 | WDM | Wavelength Division Multiplexing | Optical fiber data transmission | High-speed internet backbone |
| W123 | WE | Windows Explorer | File manager utility | Navigating files and folders |
| W124 | WEP | Wired Equivalent Privacy | Wi-Fi security protocol | Securing legacy networks |
| W125 | WF | Workflow | Sequence of processes or tasks | Business automation |
| W126 | WFI | Water for Injection | Sterile water for medical use | Pharmaceutical industry |
| W127 | WFM | Workflow Management | Managing business processes | HR, finance, or logistics |
| W128 | WFO | Work From Office | Physical workplace attendance | Corporate office policy |
| W129 | WFH | Work From Home | Remote working setup | Telecommuting arrangements |
| W130 | Wi-Fi | Wireless Fidelity | Wireless networking standard | Home, office, or public internet access |
| W131 | WIMS | Web-based Integrated Management System | Online management software | Enterprise resource planning |
| W132 | WKB | Workbook | Spreadsheet document | Excel or LibreOffice files |
| W133 | WLC | Wireless LAN Controller | Wi-Fi network management | Enterprise access point configuration |
| W134 | WMS | Warehouse Management System | Warehouse operations software | Inventory tracking and shipping |
| W135 | WOL | Wake-on-LAN | Network standard for powering devices | Remote IT device startup |
| W136 | WP | WordPress | CMS platform for websites | Blog or business site creation |
| W137 | WPA | Wi-Fi Protected Access | Wi-Fi security protocol | Secure wireless networks |
| W138 | WPF | Windows Presentation Foundation | UI framework for apps | Desktop application interface |
| W139 | WPT | Web Performance Test | Website speed and reliability test | SEO optimization |
| W140 | WQS | Water Quality Standards | Safe water regulations | Environmental compliance |
| W141 | WR | Water Resistant | Protection against water | Watches, electronics, clothing |
| W142 | WRC | World Radiocommunication Conference | Telecom regulatory event | Frequency allocation planning |
| W143 | WRF | Weather Research and Forecasting | Meteorological modeling | Weather prediction |
| W144 | WSA | Windows Security Alert | System security notification | Firewall or antivirus alerts |
| W145 | WSC | Web Services Choreography | Web service coordination | Enterprise system integration |
| W146 | WSDL | Web Services Description Language | Web service XML description | SOAP implementation |
| W147 | WSS | Web Services Security | Security standards for web services | API protection |
| W148 | WTA | Windows Trusted Application | Verified secure program | Running trusted software on Windows |
| W149 | WTB | Want to Buy | Marketplace abbreviation | Online classifieds |
| W150 | WTG | Wind Turbine Generator | Converts wind to electricity | Renewable energy projects |
| W151 | WTI | West Texas Intermediate | Oil pricing benchmark | Energy markets |
| W152 | WTP | Water Treatment Plant | Facility treating water | Municipal water supply |
| W153 | WTR | Water | Common abbreviation | Environmental reports |
| W154 | WTS | Want to Sell | Marketplace abbreviation | Online classifieds |
| W155 | WTW | What to Watch | Streaming media guide | Entertainment recommendations |
| W156 | WUA | Water User Association | Community water management | Irrigation and agriculture |
| W157 | WV | Wave | Oscillation type | Sound, radio, or oceanography |
| W158 | WW | World Wide | Global reference | Networks or services |
| W159 | WWAN | Wireless Wide Area Network | Mobile network for data | Cellular internet |
| W160 | WWD | Wastewater Discharge | Water effluent monitoring | Industrial compliance |
| W161 | WWM | World Wide Media | Global media coverage | News and broadcasting |
| W162 | WWS | World Water Summit | International water conference | Policy discussions |
| W163 | WX | Weather | Meteorological abbreviation | Weather forecasting |
| W164 | WYSIWYG | What You See Is What You Get | Output matches design | Web or document editing |
| W165 | WAF | Web Application Firewall | Security for web apps | Protecting websites from attacks |
| W166 | WAI | Web Accessibility Initiative | Standards for accessible web | Inclusive web development |
| W167 | WAL | Write-Ahead Logging | Database logging technique | Data integrity in databases |
| W168 | WAR | Web Application Archive | Packaged Java web app | Deployment on web servers |
| W169 | WAVE | Wireless Access for Vehicular Environments | Vehicle communication standard | Smart traffic systems |
| W170 | WBAN | Wireless Body Area Network | Wearable sensor network | Health monitoring devices |
| W171 | WBS | Work Breakdown Structure | Project management tool | Task decomposition in projects |
| W172 | WCF | Windows Communication Foundation | Microsoft service framework | SOAP/REST services |
| W173 | WCAG | Web Content Accessibility Guidelines | Accessibility standards | Inclusive website design |
| W174 | WDM | Wavelength Division Multiplexing | Fiber-optic data transmission | High-speed internet |
| W175 | WE | Windows Explorer | File manager utility | Navigating files and folders |
| W176 | WEP | Wired Equivalent Privacy | Wi-Fi security protocol | Securing older networks |
| W177 | WF | Workflow | Task sequence management | Business automation |
| W178 | WFI | Water for Injection | Sterile medical water | Pharmaceutical usage |
| W179 | WFM | Workflow Management | Process management software | HR, finance, or logistics |
| W180 | WFO | Work From Office | Physical workplace attendance | Office policies |
| W181 | WFH | Work From Home | Remote working setup | Telecommuting |
| W182 | Wi-Fi | Wireless Fidelity | Wireless network standard | Internet access at home or office |
| W183 | WIMS | Web-based Integrated Management System | Online management software | Enterprise resource planning |
| W184 | WKB | Workbook | Spreadsheet document | Microsoft Excel |
| W185 | WLC | Wireless LAN Controller | Wi-Fi management device | Enterprise networks |
| W186 | WMS | Warehouse Management System | Software for warehouse operations | Inventory management |
| W187 | WOL | Wake-on-LAN | Remote computer startup | IT administration |
| W188 | WP | WordPress | Website content management | Blog or business website |
| W189 | WPA | Wi-Fi Protected Access | Wi-Fi security | Securing wireless networks |
| W190 | WPF | Windows Presentation Foundation | UI framework | Desktop application development |
| W191 | WPT | Web Performance Test | Testing website performance | SEO and optimization |
| W192 | WQS | Water Quality Standards | Regulations for safe water | Environmental compliance |
| W193 | WR | Water Resistant | Protection from water | Electronics, watches, clothing |
| W194 | WRC | World Radiocommunication Conference | Telecom regulatory meeting | Frequency allocation |
| W195 | WRF | Weather Research and Forecasting | Meteorological modeling | Weather prediction |
| W196 | WSA | Windows Security Alert | Security notification | Antivirus or firewall alerts |
| W197 | WSC | Web Services Choreography | Web service coordination | Enterprise integration |
| W198 | WSDL | Web Services Description Language | Web service definition | SOAP implementation |
| W199 | WSS | Web Services Security | Web service security | API protection |
| W200 | WTA | Windows Trusted Application | Verified secure application | Running trusted software |