diff --git a/src/constants.js b/src/constants.js
index 6480e1b..f33f28b 100644
--- a/src/constants.js
+++ b/src/constants.js
@@ -1,12 +1,14 @@
 // NOTE: this list must be up-to-date with browsers listed in
 // test/acceptance/useragentstrings.yml
 export const BROWSER_ALIASES_MAP = {
+  AdIdxBot: 'adidxbot',
   AmazonBot: 'amazonbot',
   'Amazon Silk': 'amazon_silk',
   'Android Browser': 'android',
   BaiduSpider: 'baiduspider',
   Bada: 'bada',
   BingCrawler: 'bingcrawler',
+  BingPreview: 'bingpreview',
   BlackBerry: 'blackberry',
   'ChatGPT-User': 'chatgpt_user',
   Chrome: 'chrome',
@@ -33,6 +35,7 @@ export const BROWSER_ALIASES_MAP = {
   'Meta-ExternalFetcher': 'meta_externalfetcher',
   'Meta-WebIndexer': 'meta_webindexer',
   'Microsoft Edge': 'edge',
+  MSNBot: 'msnbot',
   'MZ Browser': 'mz',
   'NAVER Whale Browser': 'naver',
   'OAI-SearchBot': 'oai_searchbot',
@@ -68,12 +71,14 @@ export const BROWSER_ALIASES_MAP = {
 };
 
 export const BROWSER_MAP = {
+  adidxbot: 'AdIdxBot',
   amazonbot: 'AmazonBot',
   amazon_silk: 'Amazon Silk',
   android: 'Android Browser',
   baiduspider: 'BaiduSpider',
   bada: 'Bada',
   bingcrawler: 'BingCrawler',
+  bingpreview: 'BingPreview',
   blackberry: 'BlackBerry',
   chatgpt_user: 'ChatGPT-User',
   chrome: 'Chrome',
@@ -100,6 +105,7 @@ export const BROWSER_MAP = {
   meta_externalagent: 'Meta-ExternalAgent',
   meta_externalfetcher: 'Meta-ExternalFetcher',
   meta_webindexer: 'Meta-WebIndexer',
+  msnbot: 'MSNBot',
   mz: 'MZ Browser',
   naver: 'NAVER Whale Browser',
   oai_searchbot: 'OAI-SearchBot',
diff --git a/src/parser-browsers.js b/src/parser-browsers.js
index a00dbeb..3a7a020 100644
--- a/src/parser-browsers.js
+++ b/src/parser-browsers.js
@@ -283,6 +283,57 @@ const browsersList = [
     },
   },
 
+  /* MSNBot */
+  {
+    test: [/msnbot/i],
+    describe(ua) {
+      const browser = {
+        name: 'MSNBot',
+      };
+      const version = Utils.getFirstMatch(/msnbot\/(\d+(\.\d+)+)/i, ua) || Utils.getFirstMatch(commonVersionIdentifier, ua);
+
+      if (version) {
+        browser.version = version;
+      }
+
+      return browser;
+    },
+  },
+
+  /* BingPreview */
+  {
+    test: [/bingpreview/i],
+    describe(ua) {
+      const browser = {
+        name: 'BingPreview',
+      };
+      const version = Utils.getFirstMatch(/bingpreview\/(\d+(\.\d+)+)/i, ua) || Utils.getFirstMatch(commonVersionIdentifier, ua);
+
+      if (version) {
+        browser.version = version;
+      }
+
+      return browser;
+    },
+  },
+
+  /* AdIdxBot */
+  {
+    test: [/adidxbot/i],
+    describe(ua) {
+      const browser = {
+        name: 'AdIdxBot',
+      };
+      const version = Utils.getFirstMatch(/adidxbot\/(\d+(\.\d+)+)/i, ua) || Utils.getFirstMatch(commonVersionIdentifier, ua);
+
+      if (version) {
+        browser.version = version;
+      }
+
+      return browser;
+    },
+  },
+
   /* BingCrawler */
   {
     test: [/bingbot/i],
diff --git a/src/parser-platforms.js b/src/parser-platforms.js
index 74889a5..1150598 100644
--- a/src/parser-platforms.js
+++ b/src/parser-platforms.js
@@ -73,6 +73,39 @@ export default [
     },
   },
 
+  /* MSNBot */
+  {
+    test: [/msnbot/i],
+    describe() {
+      return {
+        type: PLATFORMS_MAP.bot,
+        vendor: 'Microsoft',
+      };
+    },
+  },
+
+  /* BingPreview */
+  {
+    test: [/bingpreview/i],
+    describe() {
+      return {
+        type: PLATFORMS_MAP.bot,
+        vendor: 'Bing',
+      };
+    },
+  },
+
+  /* AdIdxBot */
+  {
+    test: [/adidxbot/i],
+    describe() {
+      return {
+        type: PLATFORMS_MAP.bot,
+        vendor: 'Bing',
+      };
+    },
+  },
+
   /* Bingbot */
   {
     test: [/bingbot/i],
diff --git a/test/acceptance/useragentstrings.yml b/test/acceptance/useragentstrings.yml
index 8f99243..8491465 100644
--- a/test/acceptance/useragentstrings.yml
+++ b/test/acceptance/useragentstrings.yml
@@ -2904,6 +2904,84 @@
           vendor: "Bing"
         engine:
           name: "Blink"
+  MSNBot:
+    -
+      ua: "msnbot/2.0b (+http://search.msn.com/msnbot.htm)"
+      spec:
+        browser:
+          name: "MSNBot"
+          version: "2.0b"
+        os: {}
+        platform:
+          type: "bot"
+          vendor: "Microsoft"
+        engine: {}
+    -
+      ua: "Mozilla/5.0 (compatible; msnbot/2.1; +http://www.bing.com/bingbot.htm)"
+      spec:
+        browser:
+          name: "MSNBot"
+          version: "2.1"
+        os: {}
+        platform:
+          type: "bot"
+          vendor: "Microsoft"
+        engine: {}
+  BingPreview:
+    -
+      ua: "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/534+ (KHTML, like Gecko) BingPreview/1.0b"
+      spec:
+        browser:
+          name: "BingPreview"
+          version: "1.0b"
+        os:
+          name: "Windows"
+          version: "NT 6.1"
+          versionName: "7"
+        platform:
+          type: "bot"
+          vendor: "Bing"
+        engine:
+          name: "WebKit"
+          version: "534"
+    -
+      ua: "Mozilla/5.0 (compatible; BingPreview/1.0b; +https://www.bing.com/webmasters/help/how-to-verify-bingbot-3905dc26)"
+      spec:
+        browser:
+          name: "BingPreview"
+          version: "1.0b"
+        os: {}
+        platform:
+          type: "bot"
+          vendor: "Bing"
+        engine: {}
+  AdIdxBot:
+    -
+      ua: "Mozilla/5.0 (compatible; adidxbot/2.0; +http://www.bing.com/bingbot.htm)"
+      spec:
+        browser:
+          name: "AdIdxBot"
+          version: "2.0"
+        os: {}
+        platform:
+          type: "bot"
+          vendor: "Bing"
+        engine: {}
+    -
+      ua: "Mozilla/5.0 (iPhone; CPU iPhone OS 7_0 like Mac OS X) AppleWebKit/537.51.1 (KHTML, like Gecko) Version/7.0 Mobile/11A465 Safari/9537.53 (compatible; adidxbot/2.0; +http://www.bing.com/bingbot.htm)"
+      spec:
+        browser:
+          name: "AdIdxBot"
+          version: "2.0"
+        os:
+          name: "iOS"
+          version: "7.0"
+        platform:
+          type: "bot"
+          vendor: "Bing"
+        engine:
+          name: "WebKit"
+          version: "537.51.1"
   BaiduSpider:
     -
       ua: "Baiduspider"