TRACER365 — Microsoft 365 insights https://tracer365.com/insights/ Plain-English writing on Microsoft 365 sharing, security and governance — external access, guest lifecycle, permission hygiene — by the maker of TRACER365. en SharePoint's OTP retirement leaves your old shares stranded https://tracer365.com/insights/sharepoint-otp-retirement-stranded-shares/ https://tracer365.com/insights/sharepoint-otp-retirement-stranded-shares/ Microsoft retires SharePoint's legacy one-time-passcode sharing by 31 October 2026. The access ends; the permission records don't — how to clear the residue. Tue, 28 Jul 2026 00:00:00 GMT Copilot made your SharePoint permissions everyone's problem https://tracer365.com/insights/copilot-sharepoint-permissions-oversharing/ https://tracer365.com/insights/copilot-sharepoint-permissions-oversharing/ AI assistants surface whatever a user's permissions allow, turning years of oversharing into answers. Why permission hygiene precedes any AI rollout. Wed, 15 Jul 2026 00:00:00 GMT Guest accounts don't clean up after themselves https://tracer365.com/insights/guest-accounts-dont-clean-up/ https://tracer365.com/insights/guest-accounts-dont-clean-up/ B2B guests are invited for a project and stay for years. The Microsoft 365 guest lifecycle, where stale access hides, and a review routine that gets done. Wed, 15 Jul 2026 00:00:00 GMT Five Microsoft 365 sharing settings worth reviewing now https://tracer365.com/insights/microsoft-365-sharing-settings-review/ https://tracer365.com/insights/microsoft-365-sharing-settings-review/ Tenant sharing levels, default link types, "Anyone" link expiry, guest lifecycle and per-site overrides — what each governs, and what none of them fix. Wed, 15 Jul 2026 00:00:00 GMT