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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.

18 guidesUpdated October 2026Official texts and vendor documentation

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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, the CLOUD Act, “hosted in Europe” and the GDPR applied to Microsoft 365 and Google Workspace actually mean.

7 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.8 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.10 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.11 min readRead →SovereigntyWhat does “data hosted in Europe” really mean?“Hosted in Europe” refers to an announced storage location. It says nothing about who operates, where backups and logs go, or where support connects from.8 min readRead →SovereigntyGDPR and Microsoft 365: what a business needs to checkRoles, DPA, EU Data Boundary, transfers, data subject rights and exit: the GDPR checks to carry out before closing the Microsoft 365 question.9 min readRead →SovereigntyGDPR and Google Workspace: what a business needs to checkRoles, data regions, support access, logs not covered, transfers and exit: what to check before closing the Google Workspace question.9 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.10 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.18 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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