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Klytic guides

Understand before you choose

Sovereignty, migration, comparisons: sourced information pages that describe criteria, limits and use cases. They do not present Klytic as the only answer.

15 guidesUpdated October 2026Official texts and vendor documentation

Read first · 17 min
European alternatives to Microsoft 365: 2026 guide
The selection criteria, then each provider’s use case, Klytic included, with what it covers and what it does not.
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Sovereignty

What sovereign cloud and the CLOUD Act mean, and what separates a service operator from its software vendor.

4 guides
SovereigntyWhat is a sovereign cloud?A sovereign cloud is judged by its operator, the applicable law, control over access and data exit. The datacenter’s location is not enough.8 min readRead →SovereigntySovereign cloud: definition, criteria and limitsAn operational definition of sovereign cloud, ten verifiable criteria for a tender, and the limits of the term: SecNumCloud, location, access, exit.9 min readRead →SovereigntyEuropean cloud or American cloud: what is the real difference?European or American cloud: the difference lies in the company that controls the service and the law that applies to it, more than the datacenter’s country.9 min readRead →SovereigntyHow can a business protect itself from the CLOUD Act?The CLOUD Act targets the provider subject to US law, not the country of the disk. Operator, subcontractors, keys, support: the measures that matter.10 min readRead →

Migration

Change email or suite without losing mail: method, cost, coexistence and checklist.

5 guides
MigrationMigrating from Microsoft 365 to a European solutionWhat migrates from Microsoft 365, what does not, the order of operations and coexistence. A method, without promising a Teams equivalent.8 min readRead →MigrationMigrating from Google Workspace to a European solutionGmail, Drive, calendars and what does not follow: Chat, Sites, Apps Script. Labels, file ownership, migration order and tests on your own files.7 min readRead →MigrationHow do you migrate a business email service without downtime?Coexistence, second pass, MX TTL, SPF, DKIM, DMARC and test sends: switching email services without losing mail, and what remains visible.8 min readRead →MigrationHow much does a Microsoft 365 migration cost?No serious price without an inventory. The quote’s line items, what makes it vary, how to compare two offers and the internal costs people forget.9 min readRead →MigrationMicrosoft 365 migration checklistChecklist for before, during and after the cutover: inventory, quote, DNS, copy, mobiles, sending applications, rollback and tenant closure.5 min readRead →

Comparisons

Microsoft 365, Google Workspace, OVHcloud, Nextcloud, Infomaniak, BlueMind, Proton and Klytic: when each one is relevant.

6 guides
ComparisonsMicrosoft 365, Google Workspace or Klytic: how to chooseThree families of tools, three needs. Usage, operator, scope, exit: the criteria for choosing, and what none of the three covers on its own.9 min readRead →ComparisonsMicrosoft 365 or a European sovereign solutionStaying on Microsoft 365 is often justified. Leaving is, when the operator matters more than suite breadth. Criteria, mixed scenarios, trial.9 min readRead →ComparisonsGoogle Workspace or a European sovereign solutionGoogle Workspace remains relevant for online editing. A European operator is, when who holds the files comes first. Criteria, scenarios, trial.8 min readRead →ComparisonsEuropean alternatives to Microsoft 365: 2026 guideSelection criteria, then Microsoft 365, Google Workspace, OVHcloud, Nextcloud, Infomaniak, other players and Klytic. When each one is relevant.17 min readRead →ComparisonsEuropean alternatives to Google WorkspaceDocs and Drive are harder to replace than Gmail. Infomaniak, Nextcloud, OVHcloud, BlueMind, Klytic: who each one suits, and what to check.9 min readRead →ComparisonsChoosing a European business email serviceNo universal ranking: operator, protocols, shared mailboxes, filtering, backup, exit. What to test in a demo, and the families of offerings.9 min readRead →

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