Microsoft Office Upload Center - Microsoft Support
Microsoft Office Upload Center now gives you a way to see the state of files you're uploading to a server, in one location. When you upload a file to a web server, Microsoft first saves that file locally to the Office Document Cache before it starts the upload, which means that you can save changes and immediately continue working even when you are offline or have a bad network connection. The ...
Applies To: Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Excel 2019, Word 2019, Excel 2016, Word 2016, PowerPoint 2016, Office Upload Center 2016