Regarding this, how do I use Microsoft Office without signing in?
You can use Word without being signed in. And no they are not recording your documents. Unless you are syncing it to Microsoft cloud services Microsoft is unable to read your document because Word does not send your work to them.
Beside above, can I use Office 365 without logging in? While Microsoft's Office 365 subscription-based plans require Internet access to sign up, you can still use Word, Excel, PowerPoint and other Office applications while you're offline. You will, however, need to go online every 30 days to maintain your subscription and prevent the apps from de-activating.
Similarly, do I have to sign in to use Microsoft Office?
Install and activate Office A Microsoft account or work or school account is required to install and activate Microsoft 365 and Office versions 2013 or later. Create and share files Create, edit, and share the files you saved to an Office cloud-service such as OneDrive.
Can you still use unlicensed Microsoft Office?
Common sense says that if you're using an unlicensed version of Office, you should get reduced functionality, and this is precisely what happens. This means that during the period your Office is unlicensed, you cannot create new documents or edit existing ones.
