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Franz Korbjuhn
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Articles

Articles on IT for businesses

Here I explain decisions and processes from my work, from Microsoft 365 and device management to networks, backups and automation. The articles help you weigh up the options and the effort involved for your business.

Microsoft 365 audit: a light scan checks the building blocks of a tenant, next to it an overview with bars and highlighted licences
Microsoft 365

Microsoft 365 audit: reviewing security settings and licences

Around 500 checks in twelve areas: what a Microsoft 365 audit covers, which findings come up almost every time, what it does for your licences and how the results become an action plan.

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Microsoft 365 price increase: three licence tiers as pedestals, the two smaller ones have grown, the gap to the highest tier with a shield has become smaller
Microsoft 365

Microsoft 365 price increase: comparing Business Standard and Business Premium

Business Basic and Business Standard have cost more since 1 July 2026, Business Premium has not. Why the new price only applies from your renewal and how I compare Business Standard and Business Premium using licence costs as of October 2026.

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Emails pass through a filter gate with a shield into the office, suspicious messages with warning signs, one with a crown posing as the boss, end up in a quarantine box, and a copy of every email goes to the archive
IT security

Hornetsecurity for Microsoft 365: when additional email security makes sense

Why I usually add Hornetsecurity for email protection when clients use Business Standard, how the switch works, and when I recommend Business Premium instead.

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A clubhouse beneath a cloud, linked to laptops and smartphones in different places, in front of it card boxes with member cards and an emergency key in a glass case
Microsoft 365

Microsoft 365 for nonprofits: grants, collaboration and setup

Up to 300 free Business Basic licences and up to 75 % off Business Premium: how the Microsoft application works, how I set up accounts and emergency access for associations, and why IT belongs in the budget early.

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Floor plan of a practice with reception, treatment room, office, server room and a waiting area with Wi-Fi, all connected through a central firewall, with backups passing through a second stage into a data centre
IT security

IT for medical practices: coordinating practice software, network and backup

What the KBV's IT security guideline requires of practices, where the TI service provider's job ends, and how I set up the practice network and backup.

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A new office being set up: a key and a domain come first, then laptops and smartphones with a shield connect to the cloud one after another, while shelves and boxes wait in the background
Everyday business IT

IT for a new company: preparing workstations, Microsoft 365 and telephony

What a new company's IT needs on the first working day, what can wait, which early decisions become expensive later and what to budget for laptops, licences and a domain.

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An IT room with a ticket board, workstation and server rack, linked by a bridge to a second workstation with a toolbox and a cloud, with a shared, open documentation between them
Everyday business IT

Reinforcing in-house IT: support for projects and ongoing work

When in-house IT needs external reinforcement, how I share the work with the team, and why responsibilities and access rights have to be settled from the start.

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Two laptops showing a warning sign, a third being updated overnight, followed by three laptops with a new start screen
Microsoft 365

Windows 10 end of support: checking devices and planning the upgrade

Since 14 October 2025 Windows 10 only gets security updates with ESU, and businesses have been in the second ESU year since 14 October 2026. How I check devices and decide between upgrading, replacing and running them for a limited period.

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A scale weighs a shield, a computer and a server against a stack of coins, below it three bases holding clocks, a flat block and an open box
Everyday business IT

What does IT support cost? Comparing services and billing

How a flat fee for IT support comes about, what it includes, why I rarely use prepaid hours and what to clarify when you compare quotes.

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