Office and Windows Insider members can check out new features in Office Mobile apps

Members of Microsoft's Windows and Office Insider program can download new updates to the suite of Office Mobile apps for Windows 10 on PC and Mobile. They include a new text highlighter for OneNote, exporting Word files to PDF format and more.

The Microsoft support forum has the list of what's new for Insiders to check out in the Office Mobile apps:

Open more file types in Excel Mobile - Open files that contain ActiveX controls or files containing text and web queries on your Windows 10 tablet or phone.
Export to PDF with Word Mobile - Save your document in a widely sharable format that preserves layout, formatting, fonts and images.
New text highlighter in OneNote for Windows tablet - Grab the new highlighter and select text that's important to draw attention to.
New clear formatting option in OneNote - Now you can remove all that is bold, italicized, underlined, purple or in 18 points. Lucida Sans formatting is just one click away.
Embed more content with OneNote - Paste a link to an Office 365 Video or Microsoft Form, now interact with it directly on the page.
Share photos or files from other apps in OneNote - Use the Share button in any app to send photos or files to your OneNote.
Add alternative text to pictures in OneNote - Make your pictures accessible to screen readers by adding alternative text.
Try out new designs in OneNote on Windows tablet - We've made some changes to help you get around your notes. Check them out by turning on "Settings > Enable Experimental Features" and let us know what you think!

Download Word from Windows Store