Microsoft Exchange Online
A Microsoft email and calendaring hosted service.
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Read office 365 Emails with C#.Net using Exchange Web service APIs
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(304, 62%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKP%3C/text%3E%3C/svg%3E)
Kalra, Priyanka
1
Reputation point
I trying to read My office 365 Emails with C#.Net using Exchange Web service APIs but getting 410 unauthorized error Could you please advise me on this
{count} votes
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Olaf Helper 42,591 Reputation points2024-05-24T16:52:27.94+00:00 but getting 410 unauthorized error
A clear error message, isn't? But with that less on informations no one can guess why.
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(262.40000000000003, 35%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EXQ%3C/text%3E%3C/svg%3E)
Xintao Qiao-MSFT 715 Reputation points Microsoft Vendor2024-05-27T07:22:40.28+00:00 Hi,
Looks like your issue is more related to development, please kindly understand that the Exchange Online tag here we mainly focus on general issues about Exchange Online. In order to better solve your problem, we will add "Exchange Development” tag.
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