However, there seem to be tons of ads when opening files, even after paying for a subscription. Polaris is a free application, and you can bypass the option to create an account if you’d like. Polaris Office comes pre-installed on various Android devices, but download it from the Google Play Store if it isn’t there already.
Using Polaris Office for Android to Open Doc/Docx Files
Unfortunately, if you don’t have an account, you can’t open anything from the cloud, so it is best to sign in if you need to access files from your PC on your phone. Word for Android is a free application with no advertisements, and you don’t need an account to get to work. Although it isn’t easy to edit files, especially an Excel document, Android and Microsoft seem to work well together. You can also use the entire Microsoft Office Suite (Word, Excel, PowerPoint, etc.) on your Android device, as long as you have the applications installed. However, it is certainly better to use the PC or Mac Word program whenever possible. Word makes it easy to save and edit documents on Android, so edit your docs to your heart’s content.
You may need to install one of them if nothing comes up to select or reset the default app launcher if you don’t get any options like the image below. If prompted, open the file in ‘Docs’ (Google Docs) or a different doc/docx file viewer/editor if you have it.