If Microsoft Word icon is blank or missing, & not showing correctly or properly on .doc & .docx document files of Office on Windows 11/10, then you can try the solutions outlined below in the post.
To turn off Copilot in Word, disable the feature via Settings, remove it from the ribbon, or downgrade the Microsoft Office ...
People online have noted that on PCs with a low pixel density display, the text in the Microsoft 365 Copilot icon is barely even ... which consists of Word, PowerPoint, Excel, OneNote, Outlook ...