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Impressions of Microsoft Tech Summit Frankfurt 2018

This week, the Microsoft Tech Summit roadshow took place in Frankfurt, Germany. On two days, from February 21-22, 2018, the cost-free roadshow informed about topics from Azure to Microsoft 365. We were happy to be part of the Tech Summit. See some impressions here!

How to access files stored in OneDrive or in a SharePoint site with Microsoft Graph and the Excel API

The Microsoft Graph API is the new unified endpoint for developers accessing data from an Office 365 tenant. Amongst many other features, you can work with OneDrive and SharePoint files with the Graph REST API. Additionally, you can directly work with Excel files through the Graph Excel API. Since all samples I found just use the personal OneDrive for Business (OFB) file storage, I wanted to document how to access files that are stored in a SharePoint Online site (SPO) as well. So, here we go!