Microsoft says it's still investigating a known issue that causes the Copilot and Copilot Chat buttons in Classic Outlook to disappear for some Windows users.
https://www.bleepingcomputer.com/news/microsoft/microsoft-shares-workaround-for-missing-outlook-copilot-buttons/
BleepingComputer
npub1pk…z6763
2026-09-16 12:18:12 UTC
Author Public Key
npub1pkrnqz97z2wckgmwglckccgg65eanvw3wpvuses7npqlvv6st06svz6763Seen on
wss://relay.momostr.pinkPublished at
2026-09-16 12:18:12 UTCEvent JSON
{
"id": "30ae130a0cae31fd7b0f5689caf0f7e528e8dfef1806cf861fc4d1fcde9035a5",
"pubkey": "0d873008be129d8b236e47f16c6108d533d9b1d17059c8661e9841f633505bf5",
"created_at": 1789561092,
"kind": 1,
"tags": [
[
"proxy",
"https://infosec.exchange/@BleepingComputer/117280675743221995",
"web"
],
[
"proxy",
"https://infosec.exchange/users/BleepingComputer/statuses/117280675743221995",
"activitypub"
],
[
"L",
"pink.momostr"
],
[
"l",
"pink.momostr.activitypub:https://infosec.exchange/users/BleepingComputer/statuses/117280675743221995",
"pink.momostr"
],
[
"-"
]
],
"content": "Microsoft says it's still investigating a known issue that causes the Copilot and Copilot Chat buttons in Classic Outlook to disappear for some Windows users.\n\nhttps://www.bleepingcomputer.com/news/microsoft/microsoft-shares-workaround-for-missing-outlook-copilot-buttons/",
"sig": "92c9e3e38291e066f9d5e7e0c9b5075f03bf2bea4241f9a367cade9a953252630a18ca9f0e3e0d2f9723f46ca5a7911c1ad68c37506e54ba646f3447160a4d21"
}