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MaksymO
Copper Contributor
Joined 2 years ago
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Web Add-ins missing in OWA
Hi, I've noticed that when installing custom Add-ins from a manifest file or the AppStore, they don't appear in Outlook on the Web (OWA) immediately. It can take anywhere from 1 to 6 hours before they become visible. I've ruled out browser cache issues. When checking with PowerShell connected to Exchange Online, the Add-ins show as Enabled = True Get-App -Mailbox ***@***.onmicrosoft.com | Select-Object DisplayName, AppId, Enabled This issue occurs both in our production tenant and sandbox tenant, and seems to happen randomly. For example, when accessing apps directly from https://outlook.office365.com/mail/inclientstore, the Script Lab add-in doesn't show up. I also installed the Zoom add-in from its manifest URL (https://zoom.us/office365/add-in/manifest.xml), but it doesn't appear immediately either. These are user-installed add-ins, not deployed centrally. Do you have any insights into what might be causing this delay and how it can be mitigated? Thank you in advance.
