diff --git a/extensions/typescript-language-features/package.json b/extensions/typescript-language-features/package.json
index e94daeed5cc..f3285c58a23 100644
--- a/extensions/typescript-language-features/package.json
+++ b/extensions/typescript-language-features/package.json
@@ -842,6 +842,20 @@
               "description": "%configuration.tsserver.watchOptions.synchronousWatchDirectory%"
             }
           }
+        },
+        "typescript.workspaceSymbols.scope": {
+          "type": "string",
+          "enum": [
+            "allOpenProjects",
+            "currentProject"
+          ],
+          "enumDescriptions": [
+            "%typescript.workspaceSymbols.scope.allOpenProjects%",
+            "%typescript.workspaceSymbols.scope.currentProject%"
+          ],
+          "default": "allOpenProjects",
+          "markdownDescription": "%typescript.workspaceSymbols.scope%",
+          "scope": "window"
         }
       }
     },
diff --git a/extensions/typescript-language-features/package.nls.json b/extensions/typescript-language-features/package.nls.json
index 70bbf57df25..6f4241434ef 100644
--- a/extensions/typescript-language-features/package.nls.json
+++ b/extensions/typescript-language-features/package.nls.json
@@ -102,6 +102,9 @@
 	"configuration.tsserver.watchOptions.synchronousWatchDirectory": "Disable deferred watching on directories. Deferred watching is useful when lots of file changes might occur at once (e.g. a change in node_modules from running npm install), but you might want to disable it with this flag for some less-common setups.",
 	"typescript.preferences.renameShorthandProperties.deprecationMessage": "The setting 'typescript.preferences.renameShorthandProperties' has been deprecated in favor of 'typescript.preferences.useAliasesForRenames'",
 	"typescript.preferences.useAliasesForRenames": "Enable/disable introducing aliases for object shorthand properties during renames. Requires using TypeScript 3.4 or newer in the workspace.",
+	"typescript.workspaceSymbols.scope": "Controls which files are searched by [go to symbol in workspace](https://code.visualstudio.com/docs/editor/editingevolved#_open-symbol-by-name).",
+	"typescript.workspaceSymbols.scope.allOpenProjects": "Search all open JavaScript or TypeScript projects for symbols. Requires using TypeScript 3.9 or newer in the workspace.",
+	"typescript.workspaceSymbols.scope.currentProject": "Only search for symbols in the current JavaScript or TypeScript project.",
 	"codeActions.refactor.extract.constant.title": "Extract constant",
 	"codeActions.refactor.extract.constant.description": "Extract expression to constant.",
 	"codeActions.refactor.extract.function.title": "Extract function",
diff --git a/extensions/typescript-language-features/src/features/workspaceSymbols.ts b/extensions/typescript-language-features/src/features/workspaceSymbols.ts
index e23c21eeb37..e4caa5b5977 100644
--- a/extensions/typescript-language-features/src/features/workspaceSymbols.ts
+++ b/extensions/typescript-language-features/src/features/workspaceSymbols.ts
@@ -5,11 +5,12 @@
 
 import * as vscode from 'vscode';
 import type * as Proto from '../protocol';
+import * as PConst from '../protocol.const';
 import { ITypeScriptServiceClient } from '../typescriptService';
+import API from '../utils/api';
 import * as fileSchemes from '../utils/fileSchemes';
 import { doesResourceLookLikeAJavaScriptFile, doesResourceLookLikeATypeScriptFile } from '../utils/languageDescription';
 import * as typeConverters from '../utils/typeConverters';
-import * as PConst from '../protocol.const';
 
 function getSymbolKind(item: Proto.NavtoItem): vscode.SymbolKind {
 	switch (item.kind) {
@@ -29,27 +30,33 @@ function getSymbolKind(item: Proto.NavtoItem): vscode.SymbolKind {
 }
 
 class TypeScriptWorkspaceSymbolProvider implements vscode.WorkspaceSymbolProvider {
+
 	public constructor(
 		private readonly client: ITypeScriptServiceClient,
-		private readonly modeIds: readonly string[]
+		private readonly modeIds: readonly string[],
 	) { }
 
 	public async provideWorkspaceSymbols(
 		search: string,
 		token: vscode.CancellationToken
 	): Promise<vscode.SymbolInformation[]> {
-		const document = this.getDocument();
-		if (!document) {
-			return [];
-		}
+		let file: string | undefined;
+		if (this.searchAllOpenProjects) {
+			file = undefined;
+		} else {
+			const document = this.getDocument();
+			if (!document) {
+				return [];
+			}
 
-		const filepath = await this.toOpenedFiledPath(document);
-		if (!filepath) {
-			return [];
+			file = await this.toOpenedFiledPath(document);
+			if (!file) {
+				return [];
+			}
 		}
 
 		const args: Proto.NavtoRequestArgs = {
-			file: filepath,
+			file: file!, // TS 3.9+ supports using undefined to search all open projects
 			searchValue: search,
 			maxResultCount: 256,
 		};
@@ -64,6 +71,10 @@ class TypeScriptWorkspaceSymbolProvider implements vscode.WorkspaceSymbolProvide
 			.map(item => this.toSymbolInformation(item));
 	}
 
+	private get searchAllOpenProjects() {
+		return this.client.apiVersion.gte(API.v390)
+			&& vscode.workspace.getConfiguration('typescript').get('workspaceSymbols.scope', 'allOpenProjects') === 'allOpenProjects';
+	}
 
 	private async toOpenedFiledPath(document: vscode.TextDocument) {
 		if (document.uri.scheme === fileSchemes.git) {