Last Updated: April 24, 2025
ISSUE
Starting in 2025, Microsoft 365 consumer installs have new Outlook only and don't include classic Outlook. If you installed Microsoft 365 in a localized version and then installed classic Outlook via the standalone download, it's display language is English.
The standalone download link is referenced in this article, You can't open classic Outlook on a new Windows PC.
The reason this issue occurred is because the standalone download link used en-us "clcid" instead of the appropriate locale
STATUS: FIXED
The Office Team fixed the standalone “Download” link for the localized versions by adding a dropdown picker to pick the language to install at You can't open classic Outlook on a new Windows PC. The store install linked on that same page has also been fixed as of April 12, 2025.
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See Also
Fixes or workarounds for recent issues in classic Outlook for Windows
