Microsoft 365 Apps, deployed properly across the fleet.

Nothing except the name. What used to be called Office 365 ProPlus is now Microsoft 365 Apps for enterprise: identical product, identical entitlement, different label on the invoice. It is what sits inside your E3 or E5 subscription. The perpetual versions people bought outright, 2016 through 2021, are a genuinely separate product and should not be confused with it.

That depends who the user is, and the honest answer is usually more than one. Put your IT and engineering people on the fastest channel, where they get new features early and absorb the occasional rough edge on everybody behalf. Put the bulk of the organization on the predictable monthly one, which gives you a thirty day window to catch anything before it spreads. Keep the twice-yearly channel for genuinely conservative or regulated environments that need a six month runway. Most organizations we work with end up running the first two side by side.

It depends which generation the add-in belongs to, and most estates carry both. The older COM style goes out through configuration profiles or Group Policy. The modern web-based ones are assigned organization-wide from the admin center. During the audit we inventory what you actually have installed, which is nearly always more than anybody expected, and route each one through whichever mechanism suits it.

Yes, and for American clients that most often means English alongside Spanish. Language packs are delivered through the configuration XML or through Intune, and locale defaults such as date format, currency and keyboard layout are set deliberately for each population rather than inherited from whatever the machine shipped with. Running two languages across one fleet is routine work rather than an exception.

Macs are covered, delivered either through Intune with automated Apple enrollment or through Jamf if that is what you run. The same configuration profiles apply and the same update channel strategy carries across, so you are not maintaining two separate philosophies. The one caveat worth stating is add-ins, where Mac support comes down to whether the individual publisher bothered to build it.

This is a prerequisite rather than a companion, which catches people out when they buy Copilot licenses first. The assistant appears inside Word, Excel, PowerPoint, Outlook and Teams as side panels and ribbon commands, and it will only do so where the underlying applications sit on one of the two faster update channels. An estate parked on the twice-yearly channel is not eligible until that changes.

Label handling is built directly into Word, Excel, PowerPoint and Outlook, with automatic labeling available for the common patterns. There is a division of labor worth understanding: the label schema itself is designed and deployed during a Purview engagement, while this deployment is what ensures those labels actually render and behave correctly on every machine rather than existing only in policy.

We can, and the work is consistent enough that we can usually predict it before looking. Consolidating configurations that multiplied over the years, rebuilding update rings that drifted, standardizing language packs somebody applied inconsistently, and clearing up Outlook profiles. Two to three weeks covers most takeovers, and users generally notice very little while it happens.