diff --git a/apps/settings/lib/Controller/AppSettingsController.php b/apps/settings/lib/Controller/AppSettingsController.php
index 5f687cd00ca..08902fd23bf 100644
--- a/apps/settings/lib/Controller/AppSettingsController.php
+++ b/apps/settings/lib/Controller/AppSettingsController.php
@@ -94,6 +94,7 @@ class AppSettingsController extends Controller {
 		$this->initialState->provideInitialState('appstoreEnabled', $this->config->getSystemValueBool('appstoreenabled', true));
 		$this->initialState->provideInitialState('appstoreBundles', $this->getBundles());
 		$this->initialState->provideInitialState('appstoreUpdateCount', count($this->getAppsWithUpdates()));
+		$this->initialState->provideInitialState('isAllInOne', filter_var(getenv('THIS_IS_AIO'), FILTER_VALIDATE_BOOL));
 
 		$groups = array_map(static fn (IGroup $group): array => [
 			'id' => $group->getGID(),
diff --git a/apps/settings/src/components/AppList.vue b/apps/settings/src/components/AppList.vue
index ccab6708fe0..4bcf5560768 100644
--- a/apps/settings/src/components/AppList.vue
+++ b/apps/settings/src/components/AppList.vue
@@ -5,6 +5,11 @@
 
 <template>
 	<div id="app-content-inner">
+		<OfficeSuiteSwitcher
+			v-if="category === 'office'"
+			:installed-apps="allApps"
+			@suite-selected="onSuiteSelected" />
+
 		<div
 			id="apps-list"
 			class="apps-list"
@@ -150,6 +155,8 @@ import { subscribe, unsubscribe } from '@nextcloud/event-bus'
 import pLimit from 'p-limit'
 import NcButton from '@nextcloud/vue/components/NcButton'
 import AppItem from './AppList/AppItem.vue'
+import OfficeSuiteSwitcher from './AppList/OfficeSuiteSwitcher.vue'
+import { getOfficeSuiteById, OFFICE_SUITES } from '../constants/OfficeSuites.js'
 import logger from '../logger.ts'
 import AppManagement from '../mixins/AppManagement.js'
 import { useAppApiStore } from '../store/app-api-store.ts'
@@ -160,6 +167,7 @@ export default {
 	components: {
 		AppItem,
 		NcButton,
+		OfficeSuiteSwitcher,
 	},
 
 	mixins: [AppManagement],
@@ -207,6 +215,11 @@ export default {
 			return this.hasPendingUpdate && this.useListView
 		},
 
+		allApps() {
+			const exApps = this.$store.getters.isAppApiEnabled ? this.appApiStore.getAllApps : []
+			return [...this.$store.getters.getAllApps, ...exApps]
+		},
+
 		apps() {
 			// Exclude ExApps from the list if AppAPI is disabled
 			const exApps = this.$store.getters.isAppApiEnabled ? this.appApiStore.getAllApps : []
@@ -308,7 +321,7 @@ export default {
 		},
 	},
 
-	beforeDestroy() {
+	beforeUnmount() {
 		unsubscribe('nextcloud:unified-search.search', this.setSearch)
 		unsubscribe('nextcloud:unified-search.reset', this.resetSearch)
 	},
@@ -327,6 +340,40 @@ export default {
 			this.search = ''
 		},
 
+		async disableOfficeSuites(suites) {
+			const disablePromises = suites.map((suite) => this.$store.dispatch('disableApp', { appId: suite.appId }).catch(() => {}))
+			await Promise.all(disablePromises)
+		},
+
+		async onSuiteSelected(suiteId) {
+			logger.info('Office suite selected:', suiteId)
+
+			try {
+				if (suiteId === null) {
+					await this.disableOfficeSuites(OFFICE_SUITES)
+					OC.Notification.showTemporary(t('settings', 'All office suites disabled'))
+					return
+				}
+
+				const selectedSuite = getOfficeSuiteById(suiteId)
+				if (!selectedSuite) {
+					logger.error('Unknown office suite selected:', suiteId)
+					return
+				}
+
+				await this.$store.dispatch('enableApp', { appId: selectedSuite.appId, groups: [] })
+				OC.Notification.showTemporary(t('settings', '{name} enabled', { name: selectedSuite.name }))
+
+				const otherSuites = OFFICE_SUITES.filter((suite) => suite.id !== suiteId)
+				await this.disableOfficeSuites(otherSuites)
+			} catch (error) {
+				logger.error('Error switching office suite:', error)
+				if (error?.message) {
+					OC.Notification.showTemporary(error.message)
+				}
+			}
+		},
+
 		toggleBundle(id) {
 			if (this.allBundlesEnabled(id)) {
 				return this.disableBundle(id)
diff --git a/apps/settings/src/components/AppList/OfficeSuiteSwitcher.vue b/apps/settings/src/components/AppList/OfficeSuiteSwitcher.vue
new file mode 100644
index 00000000000..0e9391cce9c
--- /dev/null
+++ b/apps/settings/src/components/AppList/OfficeSuiteSwitcher.vue
@@ -0,0 +1,265 @@
+<!--
+  - SPDX-FileCopyrightText: 2025 Nextcloud GmbH and Nextcloud contributors
+  - SPDX-License-Identifier: AGPL-3.0-or-later
+-->
+
+<template>
+	<div class="office-suite-switcher">
+		<div v-if="isAllInOne" class="office-suite-switcher__aio-message">
+			<p>{{ t('settings', 'Office suite switching is managed through the Nextcloud All-in-One interface.') }}</p>
+			<p>{{ t('settings', 'Please use the AIO interface to switch between office suites.') }}</p>
+		</div>
+		<template v-else>
+			<p>{{ t('settings', 'Select your preferred office suite. Please note that installing requires manual server setup.') }}</p>
+			<div class="office-suite-cards">
+				<div
+					v-for="suite in officeSuites"
+					:key="suite.id"
+					class="office-suite-card"
+					:class="{
+						'office-suite-card--primary': suite.isPrimary,
+						'office-suite-card--selected': selectedSuite === suite.id,
+					}"
+					@click="selectSuite(suite.id)">
+					<div class="office-suite-card__header">
+						<h3 class="office-suite-card__title">
+							{{ suite.name }}
+							<span v-if="selectedSuite === suite.id">({{ t('settings', 'installed') }})</span>
+						</h3>
+						<IconCheckCircle v-if="selectedSuite === suite.id" class="office-suite-card__check" :size="24" />
+					</div>
+					<ul class="office-suite-card__features">
+						<li v-for="(feature, index) in suite.features" :key="index">
+							{{ t('settings', feature) }}
+						</li>
+					</ul>
+					<a
+						:href="suite.learnMoreUrl"
+						target="_blank"
+						rel="noopener noreferrer"
+						class="office-suite-card__link"
+						@click.stop>
+						{{ t('settings', 'Learn more') }}
+						<IconArrowRight :size="20" />
+					</a>
+				</div>
+			</div>
+			<div class="office-suite-actions">
+				<button
+					class="office-suite-disable-button"
+					:disabled="!selectedSuite"
+					@click="disableSuites">
+					{{ t('settings', 'Disable office suites') }}
+				</button>
+			</div>
+		</template>
+	</div>
+</template>
+
+<script>
+import { loadState } from '@nextcloud/initial-state'
+import { translate as t } from '@nextcloud/l10n'
+import IconArrowRight from 'vue-material-design-icons/ArrowRight.vue'
+import IconCheckCircle from 'vue-material-design-icons/CheckCircle.vue'
+import { OFFICE_SUITES } from '../../constants/OfficeSuites.js'
+
+export default {
+	name: 'OfficeSuiteSwitcher',
+
+	components: {
+		IconCheckCircle,
+		IconArrowRight,
+	},
+
+	props: {
+		installedApps: {
+			type: Array,
+			default: () => [],
+		},
+	},
+
+	emits: ['suite-selected'],
+
+	data() {
+		return {
+			isAllInOne: loadState('settings', 'isAllInOne', false),
+			selectedSuite: this.getInitialSuite(),
+			officeSuites: OFFICE_SUITES,
+		}
+	},
+
+	methods: {
+		t,
+		getInitialSuite() {
+			for (const suite of OFFICE_SUITES) {
+				const app = this.installedApps.find((a) => a.id === suite.appId)
+				if (app && app.active) {
+					return suite.id
+				}
+			}
+
+			return null
+		},
+
+		selectSuite(suiteId) {
+			if (this.selectedSuite === suiteId) {
+				// already selected — keep selection; use the disable button to clear
+				return
+			}
+			this.selectedSuite = suiteId
+			this.$emit('suite-selected', suiteId)
+		},
+
+		disableSuites() {
+			if (this.selectedSuite === null) {
+				return
+			}
+			this.selectedSuite = null
+			this.$emit('suite-selected', null)
+		},
+	},
+}
+</script>
+
+<style lang="scss" scoped>
+.office-suite-switcher {
+	padding: 20px;
+	margin-bottom: 30px;
+
+	&__aio-message {
+		background-color: var(--color-background-dark);
+		border: 1px solid var(--color-border);
+		border-radius: var(--border-radius-large);
+		padding: 20px;
+		text-align: center;
+	}
+
+    p {
+        margin: 8px 0;
+
+        &:first-child {
+            font-weight: 600;
+        }
+    }
+}
+
+.office-suite-cards {
+	display: flex;
+	gap: 20px;
+	max-width: 1200px;
+}
+
+.office-suite-card {
+	flex: 1;
+	background-color: var(--color-main-background);
+	border: 2px solid var(--color-border);
+	border-radius: var(--border-radius-large);
+	padding: 24px;
+	cursor: pointer;
+	transition: all 0.2s ease;
+	display: flex;
+	flex-direction: column;
+
+	& * {
+		cursor: pointer;
+	}
+
+	&:hover {
+		border-color: var(--color-primary-element);
+		box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
+	}
+
+	&--selected {
+		background: linear-gradient(135deg, var(--color-primary-element-light) 0%, var(--color-main-background) 100%);
+		color: var(--color-main-text);
+		border-color: var(--color-primary-element);
+	}
+
+	&__header {
+		display: flex;
+		justify-content: space-between;
+		align-items: center;
+		margin-bottom: 16px;
+	}
+
+	&__title {
+		font-size: 24px;
+		font-weight: 600;
+		margin: 0;
+	}
+
+	.office-suite-card--primary &__check {
+		color: var(--color-primary-element);
+	}
+
+	&__features {
+		list-style: none;
+		padding: 0;
+		margin: 0 0 20px 0;
+		flex-grow: 1;
+
+		li {
+			padding: 4px 0;
+			padding-inline-start: 20px;
+			position: relative;
+			line-height: 1.5;
+
+			&::before {
+				content: '•';
+				position: absolute;
+				inset-inline-start: 0;
+				font-weight: bold;
+			}
+		}
+	}
+
+	&__link {
+		display: inline-flex;
+		align-items: center;
+		gap: 6px;
+		color: var(--color-main-text);
+		text-decoration: none;
+		font-weight: 500;
+		margin-top: auto;
+
+		&:hover {
+			text-decoration: underline;
+		}
+	}
+
+	.office-suite-card--selected &__link {
+		color: var(--color-main-text);
+	}
+}
+
+.office-suite-actions {
+	margin-top: 16px;
+}
+
+.office-suite-disable-button {
+	background: transparent;
+	border: 1px solid var(--color-border);
+	border-radius: var(--border-radius-small);
+	padding: 8px 12px;
+	font-weight: 600;
+	color: var(--color-main-text);
+	cursor: pointer;
+	transition: background 0.15s ease, border-color 0.15s ease;
+}
+
+.office-suite-disable-button:disabled {
+	opacity: 0.5;
+	cursor: default;
+}
+
+.office-suite-disable-button:hover:not(:disabled) {
+	border-color: var(--color-primary-element);
+	background: var(--color-background-dark);
+}
+
+@media (max-width: 768px) {
+	.office-suite-cards {
+		flex-direction: column;
+	}
+}
+</style>
diff --git a/apps/settings/src/constants/OfficeSuites.js b/apps/settings/src/constants/OfficeSuites.js
new file mode 100644
index 00000000000..7c03cbf4661
--- /dev/null
+++ b/apps/settings/src/constants/OfficeSuites.js
@@ -0,0 +1,56 @@
+/**
+ * SPDX-FileCopyrightText: 2025 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+export const OFFICE_SUITES = [
+	{
+		id: 'nextcloud-office',
+		appId: 'richdocuments',
+		name: 'Nextcloud Office',
+		features: [
+			t('settings', 'Best Nextcloud integration'),
+			t('settings', 'Open source'),
+			t('settings', 'Good performance'),
+			t('settings', 'Best security: documents never leave your server'),
+			t('settings', 'Best ODF compatibility'),
+			t('settings', 'Best support for legacy files'),
+		],
+		learnMoreUrl: 'https://nextcloud.com/collaboraonline/',
+		isPrimary: true,
+	},
+	{
+		id: 'onlyoffice',
+		appId: 'onlyoffice',
+		name: 'Onlyoffice',
+		features: [
+			t('settings', 'Good Nextcloud integration'),
+			t('settings', 'Open core'),
+			t('settings', 'Best performance'),
+			t('settings', 'Limited ODF compatibility'),
+			t('settings', 'Best Microsoft compatibility'),
+		],
+		learnMoreUrl: 'https://nextcloud.com/onlyoffice/',
+		isPrimary: false,
+	},
+]
+
+/**
+ * Get office suite configuration by ID
+ *
+ * @param {string} id - The suite ID
+ * @return {object|undefined} The suite configuration or undefined if not found
+ */
+export function getOfficeSuiteById(id) {
+	return OFFICE_SUITES.find((suite) => suite.id === id)
+}
+
+/**
+ * Get office suite configuration by app ID
+ *
+ * @param {string} appId - The app ID (richdocuments, onlyoffice, etc.)
+ * @return {object|undefined} The suite configuration or undefined if not found
+ */
+export function getOfficeSuiteByAppId(appId) {
+	return OFFICE_SUITES.find((suite) => suite.appId === appId)
+}
diff --git a/apps/settings/src/views/AppStoreNavigation.vue b/apps/settings/src/views/AppStoreNavigation.vue
index 3588c2c17ad..7b3d4fe5737 100644
--- a/apps/settings/src/views/AppStoreNavigation.vue
+++ b/apps/settings/src/views/AppStoreNavigation.vue
@@ -99,7 +99,6 @@
 					</template>
 				</NcAppNavigationItem>
 			</template>
-
 		</template>
 	</NcAppNavigation>
 </template>
diff --git a/apps/settings/src/views/AppStoreSidebar.vue b/apps/settings/src/views/AppStoreSidebar.vue
index 1ae66d0a984..a25e4e8c693 100644
--- a/apps/settings/src/views/AppStoreSidebar.vue
+++ b/apps/settings/src/views/AppStoreSidebar.vue
@@ -35,7 +35,7 @@
 
 		<!-- Tab content -->
 		<AppDescriptionTab :app="app" />
-		<AppDetailsTab :app="app" :key="app.id" />
+		<AppDetailsTab :key="app.id" :app="app" />
 		<AppReleasesTab :app="app" />
 		<AppDeployDaemonTab :app="app" />
 	</NcAppSidebar>