{"id":416,"date":"2026-10-05T22:27:12","date_gmt":"2026-10-05T20:27:12","guid":{"rendered":"https:\/\/mu.klytic.com\/?page_id=416"},"modified":"2026-10-06T10:10:27","modified_gmt":"2026-10-06T08:10:27","slug":"guides","status":"publish","type":"page","link":"https:\/\/mu.klytic.com\/en\/guides\/","title":{"rendered":"Guides"},"content":{"rendered":"\t\t
\n\t\t\t\t
\n\t\t
\n\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

Home<\/a>\u203a<\/span>Guides<\/p>

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

\n\t\t\t\t\t

Understand before you choose<\/h1>\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

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

\n\t\t\t\t\t\t\t\t\t

15 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

\n\t\t\t\t\t\t\t\t\t
Read first \u00b7 17 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
\n\t\t\t\t\t\t\t\t\t

Sovereignty<\/h2>

What sovereign cloud and the CLOUD Act mean, and what separates a service operator from its software vendor.<\/p><\/div>4 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>9 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>9 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>10 min read<\/span>Read \u2192<\/b><\/span><\/a><\/div><\/section>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

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
\n\t\t\t\t\t\t\t\t\t

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>9 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>17 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
\n
\n \t\t\t

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":"","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, 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, 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, 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-416","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/mu.klytic.com\/en\/wp-json\/wp\/v2\/pages\/416","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mu.klytic.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/mu.klytic.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/mu.klytic.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mu.klytic.com\/en\/wp-json\/wp\/v2\/comments?post=416"}],"version-history":[{"count":1,"href":"https:\/\/mu.klytic.com\/en\/wp-json\/wp\/v2\/pages\/416\/revisions"}],"predecessor-version":[{"id":441,"href":"https:\/\/mu.klytic.com\/en\/wp-json\/wp\/v2\/pages\/416\/revisions\/441"}],"wp:attachment":[{"href":"https:\/\/mu.klytic.com\/en\/wp-json\/wp\/v2\/media?parent=416"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}