![outlook web app - Exchange OnLine / Office 365 / OWA - Cannot see PDF previews and cannot download attachments - Server Fault outlook web app - Exchange OnLine / Office 365 / OWA - Cannot see PDF previews and cannot download attachments - Server Fault](https://i.stack.imgur.com/Bh0d9.png)
outlook web app - Exchange OnLine / Office 365 / OWA - Cannot see PDF previews and cannot download attachments - Server Fault
Instructions for logging on to Office 365 • Log on to https://login.microsoftonline.com • Type in your current username (ex:
![Web version of Outlook for Office 365 business users gets a new UI and more features | Windows Central Web version of Outlook for Office 365 business users gets a new UI and more features | Windows Central](https://cdn.mos.cms.futurecdn.net/E7oGEEZ8ZoxHYE9mC9v5DK.jpg)