Time blocking around Outlook on a Mac
If your employer runs Microsoft 365, Outlook owns your working day whether you like it or not. Meetings arrive there, availability is read from there, and colleagues book you through it.
That makes it the source of truth for commitments to other people, and a bad place to plan commitments to yourself. Here is a workable arrangement.
The specific problems with planning in Outlook
Free/busy is not private. In most tenants your colleagues can see when you are free, and often the titles. Personal blocks either leak or become deliberately meaningless.
Booking systems overwrite your intent. Scheduling assistants and meeting-poll tools look for free space. A personal block marked “free” gets booked over. Marked “busy”, it hides you from genuine scheduling. Neither is right, because your afternoon of focused work is not the same thing as a meeting, and Outlook has no way to say so.
Event creation is heavy. New event, subject, time, category, reminders, save. That is a long way from the few seconds a block should take, and it is why calendar-based blocking usually fizzles out in a fortnight.
Categories are not a planning system. They colour things. They do not tell you how much of Tuesday is already gone.
The arrangement
Outlook keeps everything involving other people. Meetings, calls, anything with an invitation.
A separate planner holds your own day, reading Outlook so meetings appear alongside your blocks.
You get one view of what is actually committed, without your intentions ending up in a system your colleagues can read and book over.
Setting it up
- Connect Outlook to your planner. Read access is enough to start. In some tenants, connecting a third-party app needs administrator approval — worth checking early rather than discovering at the end.
- Pick which calendars matter. Work, personal, any shared team calendars you are actually expected to watch. Exclude room calendars and anything subscribed.
- Plan into the gaps. Open the day, see the meetings, place blocks around them.
- Push back only what needs to be visible. If Thursday morning genuinely needs protecting from bookings, that one block belongs in Outlook, marked busy, with a title you are happy for colleagues to read.
Focusly connects to Outlook alongside Google Calendar, Apple Calendar, Calendly and Notion Calendar, which matters if — as is common — your work life is in Outlook and the rest of your life is not.
Two habits that help more than the tooling
Block the recovery, not just the work. Back-to-back meetings do not end when they end. If you need ten minutes after a difficult call, that is a block. Left invisible, it gets taken by the next thing, and then you are behind.
Protect one stretch a week properly. A single recurring two-hour block in Outlook, marked busy, with a plain title, defended. Not because two hours is magic, but because one genuinely protected stretch survives where a calendar full of hopeful blocks does not.
If your workplace blocks third-party access
Some tenants do not permit connecting outside apps. If that is your situation:
- Subscribe to your calendar by URL if your organisation publishes one; it is read-only and usually allowed.
- Or plan your own day separately and check Outlook when you plan. It is manual, and if planning is a five-minute daily habit anyway, glancing at Outlook during it is not much extra.
Neither is as good as a live connection, but both beat abandoning planning because the integration is not available.