A family of Microsoft word processing software products for creating web, email, and print documents.
First, please test the pen in a new blank Word document. Draw a few strokes, save the file, close Word, then reopen it and check if the ink is still there.
If the issue only happens with this one document, save a copy using File > Save As and test the copy.
If the issue still persists, to help narrow down the issue:
- Do the pen strokes disappear immediately while you are writing, or only after you save/close the document?
- Does the pen work normally in a new Word document or in another app such as Microsoft Whiteboard?
- Is this Word document saved locally on the PC or in OneDrive?
Click "Add comment" to let me know.
Thanks!