MS Word on iPad, can no longer edit
Some years ago I downloaded MS Office for iPad on my ancient iPad2 (iOS 9.3.5 - the latest compatible with iPad2) and everything was fine. A few days ago, while using 'Word' I started getting a yellow band at the top of my document reading "To edit and save, sign in with an Office 365 subscription" (I've never had nor needed one). Now I can no longer modify a Word document.
I've already tried resetting Word under "settings," deleting "Login Credentials" and re-entering them (for my Microsoft Account) to no avail.
Has something changed? Must I really buy an Office 365 subscription? I'd rather not since I'm going to buy a laptop soon and retire the iPad. However for now it would be nice to continue to work with my iPad.
Can anyone shed light on this issue?
Thank you in advance.
iPad 2 Wi-Fi, iOS 9.3.5