Looks like a lot of things happening before the release of Window 10 Anniversary Update as we got another batch of updates from Office Apps, OneDrive, and Dropbox. The updates did not introduce new features but for bugs fixes and improvements which are very much welcome updates. Just go to the Store and hit Check for Updates or visit the following links below.

Excel Mobile

Microsoft Excel Mobile is the best app for reviewing, updating, and creating spreadsheets on Windows phones and tablets (with a screen size of 10.1 inches or smaller).

*** To create and edit spreadsheets on desktops, laptops, large tablets, and with Continuum* for phones, an Office 365 subscription is required.***

Download Excel Mobile

PowerPoint Mobile

Microsoft PowerPoint Mobile is the best app for reviewing, delivering, and creating presentations on Windows phones and tablets (with a screen size of 10.1 inches or smaller).

*** To edit presentations on desktops, laptops, large tablets, and with Continuum* for phones, an Office 365 subscription is required.***

Download PowerPoint Mobile

Word Mobile

Microsoft Word Mobile is the best app for reviewing, editing, and creating documents on Windows phones and tablets (with a screen size of 10.1 inches or smaller).

*** To create and edit documents on desktops, laptops, large tablets, and with Continuum* for phones, an Office 365 subscription is required.***

Download Word Mobile

OneNote

OneNote is your digital notebook for capturing and organizing everything across your devices. Jot down your ideas, keep track of classroom and meeting notes, clip from the web, or make a to-do list, as well as draw and sketch your ideas.

Download OneNote

OneDrive

Do more wherever you go with Microsoft OneDrive. Get to and share your documents, photos, and other files from your Windows 10 phone, computer (PC or Mac), and any other devices you use. Use the Office mobile apps to stay productive and work together, no matter where you are. The OneDrive app for Windows 10 lets you easily work with your personal and work files when you’re on the go.

Download OneDrive

Dropbox

This app provides an optimized experience to view your Dropbox files on touch-enabled tablets. Need to sync your files between this device and others? Install the desktop application to add a Dropbox folder to this device by visiting http://www.dropbox.com/install.

Dropbox lets you take your photos, docs, and videos anywhere and share them easily. Access any file you save to your Dropbox from all of your computers, phones, tablets, and on the web. With Dropbox you’ll always have your important memories and work with you. And if something happens to your Windows tablet or PC, your stuff is always safe in Dropbox.

Download Dropbox