{"id":3303,"date":"2026-10-05T22:26:45","date_gmt":"2026-10-05T20:26:45","guid":{"rendered":"https:\/\/eu.klytic.com\/?page_id=3303"},"modified":"2026-10-06T17:21:34","modified_gmt":"2026-10-06T15:21:34","slug":"guides","status":"publish","type":"page","link":"https:\/\/eu.klytic.com\/en\/guides\/","title":{"rendered":"Guides"},"content":{"rendered":"\t\t
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Home<\/a>\u203a<\/span>Guides<\/p>

Klytic guides<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t

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Understand before you choose<\/h1>\t\t\t\t<\/div>\n\t\t\t\t
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Sovereignty, migration, comparisons: sourced information pages that describe criteria, limits and use cases. They do not present Klytic as the only answer.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t

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18 guides<\/b><\/span>Updated October 2026<\/b><\/span>Official texts and vendor documentation<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Read first \u00b7 18 min<\/span>
European alternatives to Microsoft 365: 2026 guide<\/div>
The selection criteria, then each provider\u2019s use case, Klytic included, with what it covers and what it does not.<\/div><\/div>Read the guide \u2192<\/span><\/a><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t
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Sovereignty<\/h2>

What sovereign cloud, the CLOUD Act, \u201chosted in Europe\u201d and the GDPR applied to Microsoft 365 and Google Workspace actually mean.<\/p><\/div>7 guides<\/span><\/div>

Sovereignty<\/span>What is a sovereign cloud?<\/span>A sovereign cloud is judged by its operator, the applicable law, control over access and data exit. The datacenter\u2019s location is not enough.<\/span>8 min read<\/span>Read \u2192<\/b><\/span><\/a>Sovereignty<\/span>Sovereign cloud: definition, criteria and limits<\/span>An operational definition of sovereign cloud, ten verifiable criteria for a tender, and the limits of the term: SecNumCloud, location, access, exit.<\/span>8 min read<\/span>Read \u2192<\/b><\/span><\/a>Sovereignty<\/span>European cloud or American cloud: what is the real difference?<\/span>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\u2019s country.<\/span>10 min read<\/span>Read \u2192<\/b><\/span><\/a>Sovereignty<\/span>How can a business protect itself from the CLOUD Act?<\/span>The CLOUD Act targets the provider subject to US law, not the country of the disk. Operator, subcontractors, keys, support: the measures that matter.<\/span>11 min read<\/span>Read \u2192<\/b><\/span><\/a>Sovereignty<\/span>What does \u201cdata hosted in Europe\u201d really mean?<\/span>\u201cHosted in Europe\u201d refers to an announced storage location. It says nothing about who operates, where backups and logs go, or where support connects from.<\/span>8 min read<\/span>Read \u2192<\/b><\/span><\/a>Sovereignty<\/span>GDPR and Microsoft 365: what a business needs to check<\/span>Roles, DPA, EU Data Boundary, transfers, data subject rights and exit: the GDPR checks to carry out before closing the Microsoft 365 question.<\/span>9 min read<\/span>Read \u2192<\/b><\/span><\/a>Sovereignty<\/span>GDPR and Google Workspace: what a business needs to check<\/span>Roles, data regions, support access, logs not covered, transfers and exit: what to check before closing the Google Workspace question.<\/span>9 min read<\/span>Read \u2192<\/b><\/span><\/a><\/div><\/section>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t
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Migration<\/h2>

Change email or suite without losing mail: method, cost, coexistence and checklist.<\/p><\/div>5 guides<\/span><\/div>

Migration<\/span>Migrating from Microsoft 365 to a European solution<\/span>What migrates from Microsoft 365, what does not, the order of operations and coexistence. A method, without promising a Teams equivalent.<\/span>8 min read<\/span>Read \u2192<\/b><\/span><\/a>Migration<\/span>Migrating from Google Workspace to a European solution<\/span>Gmail, Drive, calendars and what does not follow: Chat, Sites, Apps Script. Labels, file ownership, migration order and tests on your own files.<\/span>7 min read<\/span>Read \u2192<\/b><\/span><\/a>Migration<\/span>How do you migrate a business email service without downtime?<\/span>Coexistence, second pass, MX TTL, SPF, DKIM, DMARC and test sends: switching email services without losing mail, and what remains visible.<\/span>8 min read<\/span>Read \u2192<\/b><\/span><\/a>Migration<\/span>How much does a Microsoft 365 migration cost?<\/span>No serious price without an inventory. The quote\u2019s line items, what makes it vary, how to compare two offers and the internal costs people forget.<\/span>9 min read<\/span>Read \u2192<\/b><\/span><\/a>Migration<\/span>Microsoft 365 migration checklist<\/span>Checklist for before, during and after the cutover: inventory, quote, DNS, copy, mobiles, sending applications, rollback and tenant closure.<\/span>5 min read<\/span>Read \u2192<\/b><\/span><\/a><\/div><\/section>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t
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Comparisons<\/h2>

Microsoft 365, Google Workspace, OVHcloud, Nextcloud, Infomaniak, BlueMind, Proton and Klytic: when each one is relevant.<\/p><\/div>6 guides<\/span><\/div>

Comparisons<\/span>Microsoft 365, Google Workspace or Klytic: how to choose<\/span>Three families of tools, three needs. Usage, operator, scope, exit: the criteria for choosing, and what none of the three covers on its own.<\/span>9 min read<\/span>Read \u2192<\/b><\/span><\/a>Comparisons<\/span>Microsoft 365 or a European sovereign solution<\/span>Staying on Microsoft 365 is often justified. Leaving is, when the operator matters more than suite breadth. Criteria, mixed scenarios, trial.<\/span>10 min read<\/span>Read \u2192<\/b><\/span><\/a>Comparisons<\/span>Google Workspace or a European sovereign solution<\/span>Google Workspace remains relevant for online editing. A European operator is, when who holds the files comes first. Criteria, scenarios, trial.<\/span>8 min read<\/span>Read \u2192<\/b><\/span><\/a>Comparisons<\/span>European alternatives to Microsoft 365: 2026 guide<\/span>Selection criteria, then Microsoft 365, Google Workspace, OVHcloud, Nextcloud, Infomaniak, other players and Klytic. When each one is relevant.<\/span>18 min read<\/span>Read \u2192<\/b><\/span><\/a>Comparisons<\/span>European alternatives to Google Workspace<\/span>Docs and Drive are harder to replace than Gmail. Infomaniak, Nextcloud, OVHcloud, BlueMind, Klytic: who each one suits, and what to check.<\/span>9 min read<\/span>Read \u2192<\/b><\/span><\/a>Comparisons<\/span>Choosing a European business email service<\/span>No universal ranking: operator, protocols, shared mailboxes, filtering, backup, exit. What to test in a demo, and the families of offerings.<\/span>9 min read<\/span>Read \u2192<\/b><\/span><\/a><\/div><\/section>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Welcome offer<\/p>\n\t\t\t\t\t

30-day free trial, assisted migration<\/h2>\n\t\t\t\t\t

No-commitment trial offer. An advisor will call you back to understand your needs and prepare your Klytic space.<\/p>\n\t\t

\n \t\t\t\n\t\ud83d\ude80 Start free trial\n<\/a>\n\t\t\t\t\t\n\tSee pricing\n<\/a>\n\t\t\n<\/div>\n\n<\/div>\n\n<\/div>\n\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

Accueil\u203aGuides Guides Klytic Comprendre avant de choisir Souverainet\u00e9, migration, comparatifs : des pages d\u2019information sourc\u00e9es, qui d\u00e9crivent des crit\u00e8res, des limites et des cas d\u2019usage. Elles ne pr\u00e9sentent pas Klytic comme la r\u00e9ponse unique. 18 guidesMis \u00e0 jour en octobre 2026Textes officiels et documentation des \u00e9diteurs \u00c0 lire en premier \u00b7 18 minLes alternatives europ\u00e9ennes \u00e0 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"_seopress_titles_title":"Guides: sovereign cloud, migration and comparisons | Klytic","_seopress_titles_desc":"Sourced information pages: sovereign cloud, CLOUD Act, GDPR, migration from Microsoft 365 or Google Workspace, and comparisons of European alternatives.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"Guides: sovereign cloud, migration and comparisons | Klytic","_seopress_social_fb_desc":"Sourced information pages: sovereign cloud, CLOUD Act, GDPR, migration from Microsoft 365 or Google Workspace, and comparisons of European alternatives.","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"Guides: sovereign cloud, migration and comparisons | Klytic","_seopress_social_twitter_desc":"Sourced information pages: sovereign cloud, CLOUD Act, GDPR, migration from Microsoft 365 or Google Workspace, and comparisons of European alternatives.","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[],"_seopress_pro_schemas_manual":[],"_seopress_pro_rich_snippets_disable_all":"","_seopress_pro_rich_snippets_disable":[],"_seopress_pro_schemas":[],"footnotes":""},"class_list":["post-3303","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/eu.klytic.com\/en\/wp-json\/wp\/v2\/pages\/3303","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/eu.klytic.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/eu.klytic.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/eu.klytic.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/eu.klytic.com\/en\/wp-json\/wp\/v2\/comments?post=3303"}],"version-history":[{"count":6,"href":"https:\/\/eu.klytic.com\/en\/wp-json\/wp\/v2\/pages\/3303\/revisions"}],"predecessor-version":[{"id":4568,"href":"https:\/\/eu.klytic.com\/en\/wp-json\/wp\/v2\/pages\/3303\/revisions\/4568"}],"wp:attachment":[{"href":"https:\/\/eu.klytic.com\/en\/wp-json\/wp\/v2\/media?parent=3303"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}