Microsoft now has preview versions of its Word, Excel and PowerPoint Office apps available for testing on Android smartphones.

Office for Android smartphones

After launching its Word, Excel and PowerPoint Office apps for Android tablets back in January, Microsoft is now allowing Android smartphone owners to test preview versions of those same apps. Here's how you can try out these app before they are officially released:

Keep in mind if you sign up for the testing program and get these preview versions, you can expect bugs and issues to crop up when using them.

Source: Microsoft Office for Android (Google+)