Most free keys are "Volume Licenses" meant for businesses. Microsoft regularly audits these, and your Office suite may deactivate suddenly after a few weeks.
A powerful, open-source suite that is completely free for professional use. microsoft office professional 2017 product key free
Microsoft skipped 2017 for standalone releases. If you have software claiming to be "Office 2017 Professional," it is likely a modified or "repacked" version of Office 2016. Because these versions are unofficial, using a "free key" found on a forum or a key-generator site comes with significant security risks. The Risks of Using Free Product Keys Most free keys are "Volume Licenses" meant for businesses
Since Microsoft Office 2017 does not exist, any site offering a "free key" for it is likely providing a fake or malicious file. Stick to the free web versions of Office or trusted open-source alternatives to keep your data safe. Microsoft skipped 2017 for standalone releases
A sleek interface that closely mimics the Microsoft Office experience.
Microsoft offers 30-to-60-day free trials of their latest Professional suites, allowing you to use the software legally for short-term projects. Better Alternatives to Searching for Keys