diff --git a/packages/office-addin-dev-settings/README.md b/packages/office-addin-dev-settings/README.md
index 922eb50f7..c4a8bc840 100644
--- a/packages/office-addin-dev-settings/README.md
+++ b/packages/office-addin-dev-settings/README.md
@@ -13,6 +13,7 @@ Provides the ability to configure developer settings for Office Add-ins.
 * [source-bundle-url](#source-bundle-url)
 * [unregister](#unregister)
 * [webview](#webview)
+* [configure-disk-manifests](#configure-disk-manifests)
 
 #
 
@@ -256,4 +257,27 @@ Disable overriding the source bundle of an add-in.
 
 Enable overriding the source bundle of an add-in.
 
-#
\ No newline at end of file
+#
+
+### disk-manifests
+Configures loading manifests from disk.
+
+> This switch currently supports the following clients: classic Windows Outlook.
+
+Syntax:
+
+`office-addin-dev-settings configure-disk-manifests [options]`
+
+Without options, displays whether loading manifests from disk is enabled.
+
+Options:
+
+`--disable`
+
+Disable loading manifests from disk.
+
+`--enable`
+
+Enable loading manifests from disk.
+
+#
diff --git a/packages/office-addin-dev-settings/src/cli.ts b/packages/office-addin-dev-settings/src/cli.ts
index 3d96b6a9d..006154ba5 100644
--- a/packages/office-addin-dev-settings/src/cli.ts
+++ b/packages/office-addin-dev-settings/src/cli.ts
@@ -108,6 +108,13 @@ commander
   .description("Configures overriding of the source bundle.")
   .action(commands.sourceBundleOverrideFile);
 
+commander
+  .command("disk-manifests")
+  .option("--enable [path]", `Enable loading manifests from disk.`)
+  .option("--disable", "Disable loading manifests from disk.")
+  .description("Configures loading manifests from disk.")
+  .action(commands.diskManifests);
+
 // if the command is not known, display an error
 commander.on("command:*", function () {
   logErrorMessage(`The command syntax is not valid.\n`);
diff --git a/packages/office-addin-dev-settings/src/commands.ts b/packages/office-addin-dev-settings/src/commands.ts
index 72c765835..2ed61eb6f 100644
--- a/packages/office-addin-dev-settings/src/commands.ts
+++ b/packages/office-addin-dev-settings/src/commands.ts
@@ -545,4 +545,40 @@ export async function isSourceBundleOverriden(addInId: string) {
     usageDataObject.reportException("isSourceBundleOverriden", err);
     logErrorMessage(err);
   }
-}
\ No newline at end of file
+}
+
+export async function diskManifests(options: OptionValues) {
+  try {
+    if (options.enable) {
+      const path: string | undefined = 
+        typeof options.enable === "string" ? options.enable : undefined;
+      await enableDiskManifests(path);
+    } else if (options.disable) {
+      await disableDiskManifests();
+    } else {
+      await areDiskManifestsEnabled();
+    }
+    usageDataObject.reportSuccess("diskManifests");
+  } catch (err: any) {
+    usageDataObject.reportException("diskManifests", err);
+    logErrorMessage(err);
+  }
+}
+
+export async function enableDiskManifests(path?: string) {
+  const diskManifestsPath = await devSettings.enableDiskManifests(path);
+  console.log(`Disk manifests have been enabled. Path: ${diskManifestsPath}`);
+  usageDataObject.reportSuccess("enableDiskManifests");
+}
+
+export async function disableDiskManifests() {
+  await devSettings.disableDiskManifests();
+  console.log("Disk manifests have been disabled.");
+  usageDataObject.reportSuccess("disableDiskManifests");
+}
+
+export async function areDiskManifestsEnabled() {
+  const res = await devSettings.areDiskManifestsEnabled();
+  console.log(res);
+  usageDataObject.reportSuccess("areDiskManifestsEnabled");
+}
diff --git a/packages/office-addin-dev-settings/src/dev-settings-windows.ts b/packages/office-addin-dev-settings/src/dev-settings-windows.ts
index f3c208999..f96d90875 100644
--- a/packages/office-addin-dev-settings/src/dev-settings-windows.ts
+++ b/packages/office-addin-dev-settings/src/dev-settings-windows.ts
@@ -25,6 +25,7 @@ import fspath from "path";
 /* global process */
 
 const DeveloperSettingsRegistryKey: string = `HKEY_CURRENT_USER\\SOFTWARE\\Microsoft\\Office\\16.0\\Wef\\Developer`;
+const ProvidersRegistryKey: string = `HKEY_CURRENT_USER\\Software\\Microsoft\\Office\\16.0\\WEF\\Providers`;
 
 const OpenDevTools: string = "OpenDevTools";
 export const OutlookSideloadManifestPath: string = "OutlookSideloadManifestPath";
@@ -40,8 +41,12 @@ const UseLiveReload: string = "UseLiveReload";
 const UseProxyDebugger: string = "UseWebDebugger";
 const WebViewSelection: string = "WebViewSelection";
 const JsBundle: string = "JsBundle";
+const Outlook: string = "Outlook";
+const EnableDebugging: string = "EnableDebugging";
+const OutlookDiskProvider: string = "OutlookDiskProvider";
 
 export async function clearDevSettings(addinId: string): Promise<void> {
+  await disableDiskManifests();
   return deleteDeveloperSettingsRegistryKey(addinId);
 }
 
@@ -97,6 +102,10 @@ export function getDeveloperSettingsRegistryKey(addinId: string): registry.Regis
   return new registry.RegistryKey(`${DeveloperSettingsRegistryKey}\\${addinId}`);
 }
 
+export function getProvidersRegistryKey(): registry.RegistryKey {
+  return new registry.RegistryKey(`${ProvidersRegistryKey}`);
+}
+
 export async function getEnabledDebuggingMethods(addinId: string): Promise<DebuggingMethod[]> {
   const key: registry.RegistryKey = getDeveloperSettingsRegistryKey(addinId);
   const methods: DebuggingMethod[] = [];
@@ -376,4 +385,43 @@ export async function getSourceBundleOverrideFilePath(addInId: string): Promise<
   const developerSettingsRegKey = getDeveloperSettingsRegistryKey(addInId);
   const sourceBundleOverridePath = await registry.getStringValue(developerSettingsRegKey, JsBundle);
   return sourceBundleOverridePath;
-}
\ No newline at end of file
+}
+
+export async function enableDiskManifests(path: string) {
+  const providersRegKey = getProvidersRegistryKey();
+  await registry.addStringValue(providersRegKey, OutlookDiskProvider, path);
+
+  const outlookDeveloperRegKey = getDeveloperSettingsRegistryKey(Outlook);
+  await registry.addNumberValue(outlookDeveloperRegKey, EnableDebugging, 1);
+}
+
+export async function disableDiskManifests() {
+  const providersRegKey = getProvidersRegistryKey();
+  await registry.deleteValue(providersRegKey, OutlookDiskProvider);
+
+  const outlookDeveloperRegKey = getDeveloperSettingsRegistryKey(Outlook);
+  await registry.deleteKey(outlookDeveloperRegKey);
+}
+
+export async function areDiskManifestsEnabled(): Promise<string> {
+  const diskManifestsPath = await getDiskManifestsPath();
+  const enableDebugging = await getOutlookEnableDebugging();
+
+  if (diskManifestsPath && enableDebugging && enableDebugging > 0) {
+    return "Disk manifests are enabled. Path = " + diskManifestsPath;
+  }
+
+  return "Disk manifests are disabled";
+}
+
+export async function getDiskManifestsPath(): Promise<string | undefined> {
+  const providersRegKey = getProvidersRegistryKey();
+  const diskManifestsPath = await registry.getStringValue(providersRegKey, OutlookDiskProvider);
+  return diskManifestsPath;
+}
+
+export async function getOutlookEnableDebugging(): Promise<number | undefined> {
+  const outlookDeveloperRegKey = getDeveloperSettingsRegistryKey(Outlook);
+  const enableDebugging = await registry.getNumberValue(outlookDeveloperRegKey, EnableDebugging);
+  return enableDebugging;
+}
diff --git a/packages/office-addin-dev-settings/src/dev-settings.ts b/packages/office-addin-dev-settings/src/dev-settings.ts
index c67db5611..0ab81780c 100644
--- a/packages/office-addin-dev-settings/src/dev-settings.ts
+++ b/packages/office-addin-dev-settings/src/dev-settings.ts
@@ -336,4 +336,57 @@ export async function isSourceBundleOverriden(addInId: string) : Promise<string>
 
 export async function getSourceBundleOverrideFilePath(addInId: string): Promise<string | undefined> {
   return devSettingsWindows.getSourceBundleOverrideFilePath(addInId);
-}
\ No newline at end of file
+}
+
+export async function enableDiskManifests(path?: string) : Promise<string> {
+  switch (process.platform) {
+    case "win32": {
+      const isValidPath = isValidDiskManifestsPath(path);
+      if (path && isValidPath) {
+        await devSettingsWindows.enableDiskManifests(path);
+        return path;
+      }
+      throw new ExpectedError("The disk manifests path is not specified or is invalid. Ensure that it is an existing directory path.");
+    }
+    default:
+        throw new ExpectedError(`Platform not supported: ${process.platform}.`);
+  }
+}
+
+function isValidDiskManifestsPath(path?: string) {
+  let isValid: boolean = false;
+  try {
+    if (path) {
+      const pathExists: boolean = fs.existsSync(path);
+      if (pathExists) {
+        const stat = fs.statSync(path);
+        isValid = stat.isDirectory();
+      }
+    }
+  } catch (err: any) {
+    console.log(err);
+  }
+  return isValid;
+}
+
+export async function disableDiskManifests() : Promise<void> {
+  switch (process.platform) {
+    case "win32":
+      return devSettingsWindows.disableDiskManifests();
+    default:
+      throw new ExpectedError(`Platform not supported: ${process.platform}.`);
+  }
+}
+
+export async function areDiskManifestsEnabled() : Promise<string> {
+  switch (process.platform) {
+    case "win32":
+      return devSettingsWindows.areDiskManifestsEnabled();
+    default:
+      throw new ExpectedError(`Platform not supported: ${process.platform}.`);
+  }
+}
+
+export async function getDiskManifestsPath(): Promise<string | undefined> {
+  return devSettingsWindows.getDiskManifestsPath();
+}
diff --git a/packages/office-addin-dev-settings/test/unit-tests/test.ts b/packages/office-addin-dev-settings/test/unit-tests/test.ts
index 07a3510bb..e1e1ec5ee 100644
--- a/packages/office-addin-dev-settings/test/unit-tests/test.ts
+++ b/packages/office-addin-dev-settings/test/unit-tests/test.ts
@@ -641,7 +641,6 @@ describe("Sideload to web", function () {
 
 describe("Source bundle override file", function() {
   if (isWindows) {
-    let sourceBundleOverridePathBeforeTests: string | undefined;
     const baseDirPath = process.cwd();
     const jsBundleFileName = "bundle.js";
     const testBundleOverrideFilePath = fspath.normalize(`${baseDirPath}/${jsBundleFileName}`);
@@ -706,4 +705,88 @@ describe("Source bundle override file", function() {
       });
     });
   }
-});
\ No newline at end of file
+});
+
+describe("Disk Manifests", function() {
+  if (isWindows) {
+    let diskManifestsPathBeforeTests: string | undefined;
+    const diskManifestsDisableStr = "Disk manifests are disabled";
+    const testExecDirName = "testExec";
+    const baseDirPath = process.cwd();
+    const testExecDirPath = fspath.normalize(`${baseDirPath}/${testExecDirName}`);
+    const enableDiskManifestsError = "The disk manifests path is not specified or is invalid. Ensure that it is an existing directory path.";
+    const diskManifestsEnabledPrefix = "Disk manifests are enabled. Path = ";
+
+    this.beforeAll(async function() {
+      await fsextra.remove(testExecDirPath);
+      await fsextra.mkdir(testExecDirPath);
+      diskManifestsPathBeforeTests = await devSettings.getDiskManifestsPath();
+      await devSettings.disableDiskManifests();
+    });
+
+    this.afterAll(async function() {
+      await fsextra.remove(testExecDirPath);
+      if (diskManifestsPathBeforeTests) {
+        await devSettings.enableDiskManifests(diskManifestsPathBeforeTests);
+      } else {
+        await devSettings.disableDiskManifests();
+      }
+    });
+
+    describe("validate before enabling disk manifests", function() {
+      it("disk manifests should NOT be enabled", async function() {
+        assert.strictEqual(await devSettings.areDiskManifestsEnabled(), diskManifestsDisableStr);
+      });
+    });
+
+    describe("validate enabling disk manifests", function() {
+      it("enable disk manifests with NO path", async function() {
+        assert.strictEqual(await devSettings.areDiskManifestsEnabled(), diskManifestsDisableStr);
+
+        let error;
+        try {
+          await devSettings.enableDiskManifests(undefined);
+        } catch (err: any) {
+          error = err;
+        }
+        assert.ok(error instanceof Error, "error expected");
+        assert.strictEqual(error.message, enableDiskManifestsError);
+      });
+
+      it("enable disk manifests with INVALID path", async function() {
+        assert.strictEqual(await devSettings.areDiskManifestsEnabled(), diskManifestsDisableStr);
+
+        const diskManifestsPath = fspath.join(testExecDirPath, "doesNotExist");
+
+        let error;
+        try {
+          await devSettings.enableDiskManifests(diskManifestsPath);
+        } catch (err: any) {
+          error = err;
+        }
+        assert.ok(error instanceof Error, "error expected");
+        assert.strictEqual(error.message, enableDiskManifestsError);
+      });
+
+      it("enable disk manifests with VALID path", async function() {
+        assert.strictEqual(await devSettings.areDiskManifestsEnabled(), diskManifestsDisableStr);
+
+        try {
+          const path = await devSettings.enableDiskManifests(testExecDirPath);
+          assert.strictEqual(path, testExecDirPath);
+        } catch (err: any) {
+          console.log(err);
+          assert.fail("unexpected error");
+        }
+      });
+    });
+
+    describe("validate disabling disk manifest", async function() {
+      it("disable disk manifests", async function() {
+        assert.strictEqual(await devSettings.areDiskManifestsEnabled(), diskManifestsEnabledPrefix + testExecDirPath);
+        await devSettings.disableDiskManifests();
+        assert.strictEqual(await devSettings.areDiskManifestsEnabled(), diskManifestsDisableStr);
+      })
+    });
+  }
+});