Review Delegated Mailbox Permissions in Microsoft 365
A small PowerShell script for Microsoft 365 to review delegated mailbox permissions for a given user.
Read post →Our thinking
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Technical notes and observations from years of supporting creative businesses on Mac.
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Send SMS from 3CX with Alphanumeric Sender ID via Twilio SIP Trunk + Cloudflare Worker
Send SMS from 3CX with an alphanumeric sender ID by routing a Generic VoIP trunk through a Cloudflare Worker that adds Twilio's MessagingServiceSid.
Read post →Apple Business to launch in April 2026
Apple Business launches 14 April 2026, merging Apple Business Manager, Business Essentials and Business Connect into one free platform across 200+ countries.
Read post →Can't accept Microsoft Customer Agreement (MCA) in Ingram Micro Xvantage when changing Microsoft 365 subscription
Fix Ingram Micro Xvantage rejecting a Microsoft 365 change order over an unaccepted MCA by accepting the agreement in the client's admin billing account.
Read post →Adjust brightness on macOS with non-Apple external displays
Adjust brightness on non-Apple external displays on macOS using MonitorControl, which drives DDC and brightness keys, with BetterDisplay as an alternative.
Read post →Update SAML Certificate for Microsoft SSO with Google Workspace as IdP using Microsoft Graph MgGraph PowerShell Commands
Update an expiring SAML signing certificate for Microsoft 365 SSO with Google Workspace as IdP using current Microsoft Graph PowerShell commands.
Read post →Convert a Microsoft 365 AD Synced user to a Shared Mailbox in Exchange Online
Convert a directory-synced Microsoft 365 user to a shared mailbox in Exchange Online with a single Set-Mailbox command when the admin console hides the option.
Read post →Remove additional Platform Single Sign-On credentials saved in macOS when using PSSO with Microsoft 365 / Entra and Company Portal
Remove unwanted extra PSSO identities saved on a Mac by reading the SSO Extension logs for stray Primary Refresh Tokens and deleting them from Keychain Access.
Read post →Repair PSSO on Mac enrolled in Intune via ADE/DEP after signing out of Company Portal app
Repair broken Platform SSO on an Intune ADE/DEP Mac after a Company Portal sign-out by clearing stale Entra and Intune records and re-running profiles renew.
Read post →Replacing Jamf with Microsoft Intune + Munki on macOS
Microsoft Intune and Munki together replace Jamf for macOS, splitting MDM and compliance from architecture-aware software deployment for Microsoft 365 fleets.
Read post →Intune not pushing any configuration profiles after Mac enrolled via Company Portal app for macOS
When a Mac enrolled via Company Portal only receives the Management Profile, the fix is setting the MDM Authority in your Microsoft 365 tenancy.
Read post →Set Outlook as the default email app – mail2outlook as a shell script
Set Outlook as the default mail, contacts and calendar handler on macOS using a zsh script built on utiluti, runnable per user via Outset at login.
Read post →Download macOS Installers via Terminal
Download macOS installers from the command line with softwareupdate, then build a bootable USB with createinstallmedia. Includes the exact Terminal commands.
Read post →Privacy Preferences Policy Control - Application Bundle Identifiers and App Code Requirements
PPPC bundle identifiers and app code requirements for Defender, OneDrive, Teams, TeamViewer, Zoom and more, plus the codesign command to find your own.
Read post →Fix Issues with SharePoint Online: Something went wrong. We're sorry, sign-in isn't working right now. But we're on it! Please try again later.
Fix SharePoint Online guest sign-in failures by clearing the UserInfo list and user profiles, and removing duplicate Exchange contacts that block access.
Read post →Ensure that Microsoft 365 Resource Calendars keep event details from email invitations
Stop Microsoft 365 resource calendars stripping meeting subjects and comments using Set-CalendarProcessing in Exchange Online PowerShell.
Read post →Delete "undeletable" calendar spam events for Microsoft 365 renewals in Calendar app on macOS
Remove undeletable Microsoft 365 renewal spam events in macOS Calendar by dragging them to a new calendar and deleting that, rather than declining.
Read post →Make a new Terminal window on macOS with a given Profile
Open a new macOS Terminal window with a chosen profile from a script using AppleScript GUI scripting, plus a Campbell PowerShell colour theme to download.
Read post →Enable Touch ID for authentication in sudo
Enable Touch ID for sudo in macOS Terminal by editing /etc/pam.d/sudo_local so the change survives system updates, without locking yourself out.
Read post →Find your external IP address from the Terminal
Find your external public IP address from a Unix or Linux terminal with a single dig command querying Cloudflare's whoami resolver, handy when behind NAT.
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