Excel Services Fix - "The workbook cannot be opened"
The workbook cannot be opened This is a general issue with many SharePoint users while opening an Excel workbook (.xlsx) in the browser the error "The workbook cannot be opened" or “The site is not added in trusted location”. But if the file is opened with Workbook in the desktop client it will not have any problems with it. The root cause of this error message is due to below reasons: a) The URL user is trying to access is not correct/wrong. b) The document library settings for opening the files in browser mode. So in order to overcome these simple error message we need to make sure that we are using the correct URL and other library settings are in place as per recommendation. a) On the <document library>: All Documents page, under Library Tools, click Library b) In the library toolbar, click Library Settings. c) On the Document Library Setti...