The Coalition for Fair Software Licensing has published research showing that US workers reckon Microsoft is using its productivity tools to lock their employers into the company's AI services. Microsoft 365 confirms new premium tier, stuffed with AI and few discounts READ MORE The survey data of more than 1,000 workers - out a day before the release of Microsoft's E7 AI bundle - found that three-quarters believed Microsoft was using its dominance in productivity software to push AI. More than half (57 percent) opposed their employer buying Microsoft's E7 bundle. Only a third of workers questioned said they preferred Microsoft as a vendor, while 78 percent reported they could do their jobs just as well with another vendor's AI tool. Perhaps that other tool is Google Gemini. Though the survey makes for difficult reading for Microsoft and Copilot enthusiasts, it also opens a new front in the war for productivity hearts and minds.…