{"id":448,"date":"2026-09-18T10:13:10","date_gmt":"2026-09-18T08:13:10","guid":{"rendered":"https:\/\/outlookassistant.nl\/?page_id=448"},"modified":"2026-09-18T10:20:44","modified_gmt":"2026-09-18T08:20:44","slug":"oas-installeren","status":"publish","type":"page","link":"https:\/\/outlookassistant.nl\/en\/install-oas\/","title":{"rendered":"Installation Guide"},"content":{"rendered":"\r\n<h1 class=\"wp-block-heading\">Install OAS in a few steps<\/h1>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Installing OAS usually takes less than five minutes. This guide shows you step by step how to safely install Outlook Assistant Suite, how the Outlook add-in is added and how to verify that the software comes from Innosterex.<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">The installation consists of two parts:<\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>OAS is installed on Windows.<\/li>\r\n\r\n\r\n\r\n<li>The OAS Outlook add-in is then added to Microsoft Outlook.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">During installation, Windows or Microsoft Office may display a security notification. This is normal and is explained below.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">1. Choose the language and start the installation<\/h2>\r\n\r\n\r\n\r\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\r\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\r\n<p class=\"wp-block-paragraph\">After opening the installation file, first choose the language you want to use during installation. Dutch is selected by default. English is currently the other option.<\/p>\r\n<\/div>\r\n\r\n\r\n\r\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\r\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6aaf39533698a&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6aaf39533698a\" class=\"wp-block-image size-full wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"358\" height=\"172\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/outlookassistant.nl\/en\/wp-content\/uploads\/2026\/09\/OAS_Setup_1.1.1.taal_.webp\" alt=\"Select the language for installing OAS Outlook Assistant Suite\" class=\"wp-image-446\" srcset=\"https:\/\/outlookassistant.nl\/wp-content\/uploads\/2026\/09\/OAS_Setup_1.1.1.taal_.webp 358w, https:\/\/outlookassistant.nl\/wp-content\/uploads\/2026\/09\/OAS_Setup_1.1.1.taal_-300x144.webp 300w\" sizes=\"auto, (max-width: 358px) 100vw, 358px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\tdata-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.thisImage.buttonRight\"\n\t\t\tdata-wp-style--top=\"state.thisImage.buttonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\r\n<\/div>\r\n<\/div>\r\n\r\n\r\n\r\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\r\n<p class=\"wp-block-paragraph\">Always use the installation file downloaded from the official OAS website.<\/p>\r\n<\/blockquote>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">2. Choose the installation folder<\/h2>\r\n\r\n\r\n\r\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\r\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\r\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"598\" height=\"464\" src=\"https:\/\/outlookassistant.nl\/en\/wp-content\/uploads\/2026\/09\/OAS_Setup_1.1.1.welkom.webp\" alt=\"Welcome screen of the OAS Outlook Assistant Suite installer\" class=\"wp-image-444\" srcset=\"https:\/\/outlookassistant.nl\/wp-content\/uploads\/2026\/09\/OAS_Setup_1.1.1.welkom.webp 598w, https:\/\/outlookassistant.nl\/wp-content\/uploads\/2026\/09\/OAS_Setup_1.1.1.welkom-300x233.webp 300w\" sizes=\"auto, (max-width: 598px) 100vw, 598px\" \/><\/figure>\r\n<\/div>\r\n\r\n\r\n\r\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\r\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"598\" height=\"464\" src=\"https:\/\/outlookassistant.nl\/en\/wp-content\/uploads\/2026\/09\/OAS_Setup_1.1.1.installatiemap.webp\" alt=\"Choose the installation folder for OAS Outlook Assistant Suite\" class=\"wp-image-445\" srcset=\"https:\/\/outlookassistant.nl\/wp-content\/uploads\/2026\/09\/OAS_Setup_1.1.1.installatiemap.webp 598w, https:\/\/outlookassistant.nl\/wp-content\/uploads\/2026\/09\/OAS_Setup_1.1.1.installatiemap-300x233.webp 300w\" sizes=\"auto, (max-width: 598px) 100vw, 598px\" \/><\/figure>\r\n<\/div>\r\n<\/div>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">The OAS welcome screen will then appear. Check that OAS \u2013 Outlook Assistant Suite and the correct version number are displayed and click Next. OAS automatically suggests a suitable installation folder. For normal use, you do not need to change this location.<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Click <strong>Next<\/strong> and check the summary.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">3. Install the OAS add-in for Outlook<\/h2>\r\n\r\n\r\n\r\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\r\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\r\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"598\" height=\"464\" src=\"https:\/\/outlookassistant.nl\/en\/wp-content\/uploads\/2026\/09\/OAS_Setup_1.1.1.bevestigen.webp\" alt=\"Confirm the OAS installation before Outlook Assistant Suite is installed\" class=\"wp-image-447\" srcset=\"https:\/\/outlookassistant.nl\/wp-content\/uploads\/2026\/09\/OAS_Setup_1.1.1.bevestigen.webp 598w, https:\/\/outlookassistant.nl\/wp-content\/uploads\/2026\/09\/OAS_Setup_1.1.1.bevestigen-300x233.webp 300w\" sizes=\"auto, (max-width: 598px) 100vw, 598px\" \/><\/figure>\r\n<\/div>\r\n\r\n\r\n\r\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\r\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"572\" height=\"286\" src=\"https:\/\/outlookassistant.nl\/en\/wp-content\/uploads\/2026\/09\/VSTOInstaller_install.webp\" alt=\"Microsoft Office installation window for the OAS Outlook add-in showing verified publisher Innosterex\" class=\"wp-image-441\" srcset=\"https:\/\/outlookassistant.nl\/wp-content\/uploads\/2026\/09\/VSTOInstaller_install.webp 572w, https:\/\/outlookassistant.nl\/wp-content\/uploads\/2026\/09\/VSTOInstaller_install-300x150.webp 300w\" sizes=\"auto, (max-width: 572px) 100vw, 572px\" \/><\/figure>\r\n<\/div>\r\n<\/div>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Click <strong>Install<\/strong> to install OAS on your computer. Once this installation has been completed, installation of the OAS add-in for Microsoft Outlook starts automatically.<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">In the Microsoft Office window, check that <strong>Innosterex<\/strong> is shown as the verified publisher and then click <strong>Install<\/strong>.<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Microsoft Office will then add the OAS add-in to Outlook.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">4. Check the digital signature<\/h2>\r\n\r\n\r\n\r\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\r\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\r\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"405\" height=\"510\" src=\"https:\/\/outlookassistant.nl\/en\/wp-content\/uploads\/2026\/09\/VSTOInstaller_licentie.webp\" alt=\"Innosterex code signing certificate for OAS Outlook Assistant Suite\" class=\"wp-image-442\" srcset=\"https:\/\/outlookassistant.nl\/wp-content\/uploads\/2026\/09\/VSTOInstaller_licentie.webp 405w, https:\/\/outlookassistant.nl\/wp-content\/uploads\/2026\/09\/VSTOInstaller_licentie-238x300.webp 238w\" sizes=\"auto, (max-width: 405px) 100vw, 405px\" \/><\/figure>\r\n<\/div>\r\n\r\n\r\n\r\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\r\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"572\" height=\"224\" src=\"https:\/\/outlookassistant.nl\/en\/wp-content\/uploads\/2026\/09\/VSTOInstaller_geinstalleerd.webp\" alt=\"Confirmation that the OAS Outlook add-in has been installed\" class=\"wp-image-443\" srcset=\"https:\/\/outlookassistant.nl\/wp-content\/uploads\/2026\/09\/VSTOInstaller_geinstalleerd.webp 572w, https:\/\/outlookassistant.nl\/wp-content\/uploads\/2026\/09\/VSTOInstaller_geinstalleerd-300x117.webp 300w\" sizes=\"auto, (max-width: 572px) 100vw, 572px\" \/><\/figure>\r\n<\/div>\r\n<\/div>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">The OAS installer and Outlook add-in are digitally signed by <strong>Innosterex<\/strong>. This allows Windows and Microsoft Office to verify which publisher the software comes from and whether the signed files have been modified since they were signed.<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">During installation, you can view the certificate information. Check that the certificate has been issued to <strong>Innosterex<\/strong>.<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Once Microsoft Office confirms that the OAS add-in has been installed, you can close the window.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Start OAS in Outlook<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Start Microsoft Outlook after the installation has been completed. The new <strong>OAS<\/strong> tab will appear in the Outlook ribbon.<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">From this tab, you have direct access to <strong>Dashboard, Inbox Cleanup, Archiving, Follow-up and Configuration<\/strong>. You will also find information about OAS and the manual here.<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">If you do not see the OAS tab immediately, close Outlook completely and start it again.<\/p>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"804\" height=\"186\" src=\"https:\/\/outlookassistant.nl\/en\/wp-content\/uploads\/2026\/09\/OUTLOOK_DmiWBm7Goj.webp\" alt=\"OAS Outlook add-in with Dashboard, Inbox Cleanup, Archiving, Follow-up and Configuration\" class=\"wp-image-450\" srcset=\"https:\/\/outlookassistant.nl\/wp-content\/uploads\/2026\/09\/OUTLOOK_DmiWBm7Goj.webp 804w, https:\/\/outlookassistant.nl\/wp-content\/uploads\/2026\/09\/OUTLOOK_DmiWBm7Goj-300x69.webp 300w, https:\/\/outlookassistant.nl\/wp-content\/uploads\/2026\/09\/OUTLOOK_DmiWBm7Goj-768x178.webp 768w\" sizes=\"auto, (max-width: 804px) 100vw, 804px\" \/><figcaption class=\"wp-element-caption\">After installation, you will find OAS as a separate tab in the Outlook ribbon.<\/figcaption><\/figure>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">When you start OAS for the first time, you can configure it and your free trial period begins. You can then start using OAS straight away.<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\">Ready to use OAS?<\/h3>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Install OAS Outlook Assistant Suite and organise your Outlook automatically with smart rules, archiving and follow-up \u2014 directly within Microsoft Outlook.<\/p>\r\n\r\n\r\n\r\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\r\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/outlookassistant.nl\/en\/download-oas\/\">Download OAS<\/a><\/div>\r\n\r\n\r\n\r\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/outlookassistant.nl\/en\/oas-faq\/\">View FAQ<\/a><\/div>\r\n<\/div>\r\n","protected":false},"excerpt":{"rendered":"<p>Install OAS in a few steps Installing OAS usually takes less than five minutes. This guide shows you step by step how to safely install Outlook Assistant Suite, how the Outlook add-in is added and how to verify that the software comes from Innosterex. The installation consists of two parts: OAS is installed on Windows&#8230;.<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_kad_post_transparent":"","_kad_post_title":"hide","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","iawp_total_views":2,"footnotes":""},"class_list":["post-448","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/outlookassistant.nl\/en\/wp-json\/wp\/v2\/pages\/448","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/outlookassistant.nl\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/outlookassistant.nl\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/outlookassistant.nl\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/outlookassistant.nl\/en\/wp-json\/wp\/v2\/comments?post=448"}],"version-history":[{"count":3,"href":"https:\/\/outlookassistant.nl\/en\/wp-json\/wp\/v2\/pages\/448\/revisions"}],"predecessor-version":[{"id":454,"href":"https:\/\/outlookassistant.nl\/en\/wp-json\/wp\/v2\/pages\/448\/revisions\/454"}],"wp:attachment":[{"href":"https:\/\/outlookassistant.nl\/en\/wp-json\/wp\/v2\/media?parent=448"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}