Microsoft says new Outlook can't open some Excel attachments

Microsoft is working to resolve a known issue that prevents some users from opening Excel email attachments in the new Outlook client.
TechBooky

New Outlook Can’t Open Excel Files With Non-ASCII Names — Fix Rolling Out

Microsoft has started looking into a problem that is preventing users from opening some Excel file attachments with non-ASCII ...
TechBooky

Excel Adds New Features; Search Bar & New Dialogs

Microsoft releases a major update to the Excel for Windows interface, including a totally modernised "Get Data" dialogue that ...

Here are all the new features Microsoft added to Excel in November 2025Here are all the new features Microsoft added to Excel in November 2025Here are all the new fe…

Microsoft introduced a handful of features in Excel during the past four weeks, some of which may excite certain customers.
XDA Developers on MSN

Sorry, the new Outlook app can't open some Excel attachments, says Microsoft

As spotted by Bleeping Computer, Microsoft has published a new service alert related to Outlook. Labelled as issue EX1189359 and titled "Users may be unable to open Excel files attached to email ...