diff --git a/app/src/controllers/email.ts b/app/src/controllers/email.ts
index 7b5cfbfb..3bc7f188 100644
--- a/app/src/controllers/email.ts
+++ b/app/src/controllers/email.ts
@@ -1,4 +1,3 @@
-
 import config from 'config';
 import emailService from '../services/email';
 
@@ -11,11 +10,7 @@ const controller = {
    * Send email using CHES API
    * https://ches.api.gov.bc.ca/api/v1/docs#tag/EmailMerge/operation/postMerge
    */
-  send: async (
-    req: Request<never, never, Email>,
-    res: Response,
-    next: NextFunction
-  ) => {
+  send: async (req: Request<never, never, Email>, res: Response, next: NextFunction) => {
     try {
       req.body.from = config.get('server.ches.from');
       req.body.bodyType = 'html';
diff --git a/app/src/validators/email.ts b/app/src/validators/email.ts
index 4dc9a7e5..21f54685 100644
--- a/app/src/validators/email.ts
+++ b/app/src/validators/email.ts
@@ -4,7 +4,6 @@ import { emailJoi } from './common';
 import { validate } from '../middleware/validation';
 
 const schema = {
-
   mergeSchema: {
     body: Joi.object().keys({
       body: Joi.string().required(),
@@ -13,13 +12,13 @@ const schema = {
         Joi.object().keys({
           to: Joi.array().items(emailJoi).required(),
           context: Joi.object().keys({
-            token: Joi.string().required(),
+            token: Joi.string(),
+            fullName: Joi.string()
           })
         })
       )
     })
-  },
-
+  }
 };
 
 export default {
diff --git a/frontend/src/components/common/BulkPermission.vue b/frontend/src/components/common/BulkPermission.vue
index bc549c6f..493290fb 100644
--- a/frontend/src/components/common/BulkPermission.vue
+++ b/frontend/src/components/common/BulkPermission.vue
@@ -207,7 +207,7 @@ const onSubmit = handleSubmit(async (values: any, { resetForm }) => {
     }
 
     // format results into human-readable descriptions
-    results.value = toBulkResult(values.notFound, values.action, resultData);
+    results.value = toBulkResult(values.notFound, values.action, false, resultData);
 
     // refresh store
     if (props.resourceType === 'object') {
diff --git a/frontend/src/components/common/BulkPermissionResults.vue b/frontend/src/components/common/BulkPermissionResults.vue
index 0eca347f..cdef5f11 100644
--- a/frontend/src/components/common/BulkPermissionResults.vue
+++ b/frontend/src/components/common/BulkPermissionResults.vue
@@ -1,6 +1,6 @@
 <script setup lang="ts">
 import { ref } from 'vue';
-import { Column, DataTable, Dialog } from '@/lib/primevue';
+import { Button, Column, DataTable, Dialog } from '@/lib/primevue';
 import { FontAwesomeIcon } from '@fortawesome/vue-fontawesome';
 
 // Props
diff --git a/frontend/src/components/common/Invite.vue b/frontend/src/components/common/Invite.vue
index 7824dfcf..1a713d63 100644
--- a/frontend/src/components/common/Invite.vue
+++ b/frontend/src/components/common/Invite.vue
@@ -4,7 +4,7 @@ import { storeToRefs } from 'pinia';
 import { useForm, ErrorMessage } from 'vee-validate';
 import * as yup from 'yup';
 import { FontAwesomeIcon } from '@fortawesome/vue-fontawesome';
-import { Button, RadioButton, Checkbox, useToast, TextArea } from '@/lib/primevue';
+import { Button, RadioButton, Checkbox, InputSwitch, useToast, TextArea } from '@/lib/primevue';
 import TextInput from '@/components/form/TextInput.vue';
 import { Spinner } from '@/components/layout';
 import { BulkPermissionResults } from '@/components/common';
@@ -101,7 +101,8 @@ const { values, defineField, handleSubmit } = useForm({
     permCodes: props.resourceType === 'object' ? ['READ'] : [],
     email: '',
     emailType: 'single',
-    multiEmail: ''
+    multiEmail: '',
+    notify: true
   }
 });
 // maps the input models for vee-validate
@@ -110,6 +111,7 @@ const [permCodes] = defineField('permCodes', {});
 const [emailType] = defineField('emailType', {});
 const [email] = defineField('email', {});
 const [multiEmail] = defineField('multiEmail', {});
+const [notify] = defineField('notify', {});
 
 // require READ perm for file invites
 const isDisabled = (optionValue: string) => {
@@ -136,7 +138,7 @@ const onSubmit = handleSubmit(async (values: any, { resetForm }) => {
           values.permCodes.forEach((pc: string) => {
             permData.push({ userId: users[0].userId, permCode: pc });
           });
-          return { email: email, userId: users[0].userId, permissions: [] };
+          return { email: email, user: users[0], permissions: [] };
         } else {
           newUsers.push(email);
           return { email: email };
@@ -150,13 +152,25 @@ const onSubmit = handleSubmit(async (values: any, { resetForm }) => {
         props.resourceType === 'object'
           ? await permissionService.objectAddPermissions(resourceId.value, permData)
           : await permissionService.bucketAddPermissions(resourceId.value, permData);
+      // add permissions data to result
       permResponse.data.forEach((p: any) => {
-        const el = resultData.find((r: any) => r.userId === p.userId);
-        el.permissions.push({
-          createdAt: p.createdAt,
-          permCode: p.permCode
-        });
+        const el = resultData.find((r: any) => r.user.userId === p.userId);
+        el.permissions.push({ createdAt: p.createdAt, permCode: p.permCode });
       });
+      // if notifying existing users about this file/folder
+      if (values.notify) {
+        const users = resultData.filter((r: any) => r.user).map((r: any) => r.user);
+        const emailResponse = await inviteService.notifyUsers(
+          props.resourceType,
+          props.resource,
+          getUser.value?.profile,
+          users
+        );
+        // add to results
+        emailResponse.data.messages.forEach((msg: { msgId: string; to: Array<string> }) => {
+          resultData.find((r: any) => r.email === msg.to[0]).chesMsgId = msg.msgId;
+        });
+      }
     }
 
     // generate invites (for emails not already in the system)
@@ -176,7 +190,7 @@ const onSubmit = handleSubmit(async (values: any, { resetForm }) => {
       });
     }
     // format results into human-readable descriptions
-    results.value = toBulkResult('invite', 'add', resultData);
+    results.value = toBulkResult('invite', 'add', values.notify, resultData);
     complete.value = true;
     resetForm();
   } catch (error: any) {
@@ -311,6 +325,16 @@ const onSubmit = handleSubmit(async (values: any, { resetForm }) => {
       </div>
     </div>
 
+    <p class="mb-2">If a person you are inviting is already using BCBox</p>
+    <div class="flex flex-wrap gap-3 mb-3">
+      <InputSwitch
+        v-model="notify"
+        aria-label="Notify existing BCBox users"
+      />
+      <span v-if="notify">email them a link to the {{ props.resourceType === 'bucket' ? 'folder' : 'file' }}</span>
+      <span v-else>don't send them a notification</span>
+    </div>
+
     <div class="my-4 inline-flex">
       <Button
         class="p-button p-button-primary mr-3"
diff --git a/frontend/src/services/inviteService.ts b/frontend/src/services/inviteService.ts
index 16f7f9bc..d22dcc59 100644
--- a/frontend/src/services/inviteService.ts
+++ b/frontend/src/services/inviteService.ts
@@ -1,5 +1,5 @@
 import { appAxios, comsAxios } from './interceptors';
-import { invite as inviteEmailTemplate } from '@/utils/emailTemplates';
+import { invite as inviteEmailTemplate, notify as notifyEmailTemplate } from '@/utils/emailTemplates';
 
 const PATH = 'permission/invite';
 
@@ -60,7 +60,7 @@ export default {
    * @param {string} resourceType eg bucket or object
    * @param {COMSObject | Bucket } resource COMS object or bucket
    * @param {User | null} currentUser current user creating the invite
-   * @param {Array<string>} invites array of email adddresses
+   * @param {Array<{object}>} invites array of email and token pairs
    * @returns {Promise<string>} CHES TransactionId
    */
   emailInvites(resourceType: string, resource: any, currentUser: any, invites: any) {
@@ -97,6 +97,50 @@ export default {
     }
   },
 
+  /**
+   * @function notifyUsers
+   * Semd email to each invitee containing a link to the resource
+   * ref: https://ches.api.gov.bc.ca/api/v1/docs#tag/EmailMerge/operation/postMerge   *
+   * @param {string} resourceType eg bucket or object
+   * @param {COMSObject | Bucket } resource COMS object or bucket
+   * @param {User | null} currentUser current user creating the invite
+   * @param {Array<User>} users array of BCBox users
+   * @returns {Promise<string>} CHES TransactionId
+   */
+  notifyUsers(resourceType: string, resource: any, currentUser: any, users: Array<any>) {
+    try {
+      let resourceName: string, subject: string, resourceUrl: string;
+      // alternate templates depending if resource is a file or a folder
+      if (resourceType === 'object') {
+        resourceName = resource.name;
+        subject = `You have been invited to access ${resourceName} on BCBox`;
+        resourceUrl = `${window.location.origin}/detail/objects?objectId=${resource.id}`;
+      } else {
+        resourceName = resource.bucketName;
+        subject = `You have been invited to access ${resourceName} on BCBox`;
+        resourceUrl = `${window.location.origin}/list/objects?bucketId=${resource.bucketId}`;
+      }
+      // build html template for email body
+      const body = notifyEmailTemplate(resourceType, resourceName, resourceUrl, currentUser);
+      // define email data matching the structure required by CHES api
+      const emailData: any = {
+        contexts: users.map((user: any) => {
+          return {
+            to: [user.email],
+            context: {
+              fullName: user.fullName ? user.fullName : 'BCBox user'
+            }
+          };
+        }),
+        subject: subject,
+        body: body
+      };
+      return appAxios().post('email', emailData);
+    } catch (err) {
+      return Promise.reject(err);
+    }
+  },
+
   /**
    * @function getInvite
    * Use an invite token
diff --git a/frontend/src/utils/emailTemplates.ts b/frontend/src/utils/emailTemplates.ts
index a515f494..a072442b 100644
--- a/frontend/src/utils/emailTemplates.ts
+++ b/frontend/src/utils/emailTemplates.ts
@@ -34,3 +34,41 @@ export function invite(resourceType: string, resourceName: string, currentUser:
 
   return html;
 }
+
+/**
+ * creates html email body for share notification
+ * @param {string} resourceType either 'object' or 'bucket'
+ * @param {string} resourceName the object name or bucket name
+ * @param {string} resourceUrl the URL to the resource
+ * @param {User | null} currentUser current user sending the invite
+ * @returns {string} the template html
+ */
+export function notify(resourceType: string, resourceName: string, resourceUrl: string, currentUser: any): string {
+  let html = '';
+  // eslint-disable-next-line max-len
+  const currentUserEmail = `<a href="mailto:${currentUser.email}" style="color: #1a5a96 !important">${currentUser.email}</a>`;
+  // alternate templates depending if resource is a file or a folder
+  if (resourceType === 'object') {
+    html += '<html style="color: #495057 !important; max-width: 500px !important;"><br>';
+    html += '<p style="color: #495057 !important;">{{fullName}},</p>';
+    html += `<h2 style="color: #495057 !important;">${currentUserEmail} invited you to access a file on BCBox</h2>`;
+    html += '<p style="color: #495057 !important;">';
+    html += `Here's a link to access the file that ${currentUserEmail} shared with you:</p>`;
+  } else if (resourceType === 'bucket') {
+    html += '<html"><br>';
+    html += `<h2 style="color: #495057 !important;">${currentUserEmail} invited you to access a folder on BCBox</h2>\n`;
+    html += '<p style="color: #495057 !important;">';
+    html += `Here's a link to access the folder that ${currentUserEmail} shared with you:</p>`;
+  }
+  html += '<p>';
+  html += `<strong><a style="font-size: large; color: #1a5a96" href="${resourceUrl}">`;
+  html += `${resourceName}</a></strong></p><br>`;
+  html += `<small style="color: #495057 !important;">
+            If you do not recognize the sender, do not click on the link above.<br>
+            Only open links that you are expecting from a known sender.
+          </small><br><br>
+          <a style="color: #1a5a96" href="${window.location.origin}">Learn more about BCBox</a>
+        </html>`;
+
+  return html;
+}
diff --git a/frontend/src/utils/formatters.ts b/frontend/src/utils/formatters.ts
index 419f4ebf..818f058f 100644
--- a/frontend/src/utils/formatters.ts
+++ b/frontend/src/utils/formatters.ts
@@ -44,19 +44,21 @@ export function toKebabCase(str: string | null) {
  * transforms an array of invite/add/remove data into an array of human-readable descriptions
  * @param {string} notFound if user not found (eg: 'invite' or 'ignore')
  * @param {string} action permission action (eg: 'add' or 'remove')
+ * @param {boolean} notify whether existing users were notified
  * @param {object[]} data results invite/add/remove
  * @returns {object[]} an array of human-readable descriptions
  */
 export function toBulkResult(
   notFound: string,
   action: string,
+  notify: boolean = false,
   data: Array<{ email: string; chesMsgId: string; permissions: Array<{ permCode: string }> | undefined }>
 ) {
   const result = data.map((r) => {
     let description: string = 'No action taken';
     let status: number = 1;
     // invites
-    if (r.chesMsgId && notFound === 'invite') description = 'Invite emailed';
+    if (r.chesMsgId && notFound === 'invite' && !r.permissions) description = 'Invite emailed';
     else if (notFound === 'ignore' && !r.permissions) {
       description = 'No invite was emailed';
       status = 0;
@@ -72,6 +74,7 @@ export function toBulkResult(
         description = 'Permissions already existed';
         status = 0;
       }
+      if (notify) description += '; notification emailed';
     }
     // removing permissions
     else if (action === 'remove' && r.permissions) {