Microsoft is investigating a bug stopping recipients from opening encrypted emails in traditional Outlook after a current replace.
This recognized challenge impacts customers who attempt to open messages encrypted with “Encrypt Solely” permissions, which additionally permits copying, printing, and forwarding.
“After updating to Present Channel Model 2511 (Construct 19426.20218) recipients could not have the ability to open ‘Encrypt Solely’ emails,” Microsoft stated.
“Within the Studying Pane you could get a message ‘This message with restricted permission can’t be considered within the studying pane till you confirm your credentials. Open the merchandise to learn its contents and confirm your credentials’.”
On impacted programs, customers are seeing a message_v2.rpmsg attachment as a substitute of readable content material, making the encrypted messages inaccessible.
Microsoft stated that the Outlook Staff is at the moment engaged on a repair, however didn’t present an estimated timeline for decision.
​Till a everlasting repair is on the market, Microsoft offers two momentary workarounds. Certainly one of them requires senders to save lots of encrypted emails after encryption and earlier than sending, enabling recipients to open them usually.
Alternatively, customers can revert to the earlier software program construct that is not affected by this recognized challenge. This requires affected customers to shut all Workplace apps and run the next command from an elevated command immediate:
"%programfilespercentCommon FilesMicrosoft SharedClickToRunofficec2rclient.exe" /replace consumer updatetoversion=16.0.19426.20186
Microsoft additionally mitigated an Alternate On-line service outage in November that blocked prospects from accessing their mailboxes utilizing the traditional Outlook e-mail shopper. One month earlier, it fastened a serious bug that prevented Microsoft 365 customers from opening traditional Outlook on Home windows programs.
Earlier within the 12 months, Microsoft addressed traditional Outlook bugs that induced CPU spikes whereas typing messages and broke e-mail drag-and-drop performance after putting in Home windows 24H2 updates.
Earlier than this, Microsoft additionally shared a short lived workaround for a recognized challenge that induced Outlook errors when opening encrypted emails and glued a bug that triggered traditional Outlook crashes when opening emails or beginning new messages.
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