diff --git a/Invoke-7zdec.ps1 b/Invoke-7zdec.ps1
index 8b39bb4..5a295b0 100644
--- a/Invoke-7zdec.ps1
+++ b/Invoke-7zdec.ps1
@@ -4,7 +4,10 @@ param(
     [string]$Source,
 
     [Parameter(Mandatory = $true)]
-    [string]$Target)
+    [string]$Target,
+
+    [Parameter(Mandatory = $false)]
+    [boolean]$OverrideDestDirectory)
 
 # This script translates the output from 7zdec into UTF8. Node has limited
 # built-in support for encodings.
@@ -35,8 +38,9 @@ $writer = New-Object System.IO.StreamWriter($stdout, $utf8)
 Set-Location -LiteralPath $Target
 
 # Print the ##command.
+$overrideDest = $(If ($OverrideDestDirectory) { "-aoa" } Else { "" })
 $_7zdec = Join-Path -Path "$PSScriptRoot" -ChildPath "externals/7zdec.exe"
-[System.Console]::WriteLine("##[command]$_7zdec x `"$Source`"")
+[System.Console]::WriteLine("##[command]$_7zdec $overrideDest x `"$Source`"")
 
 # The $OutputEncoding variable instructs PowerShell how to interpret the output
 # from the external command.
diff --git a/package-lock.json b/package-lock.json
index 3d53cd3..12ae500 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "azure-pipelines-tool-lib",
-  "version": "1.2.0",
+  "version": "1.3.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 9a33321..c8351fe 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "azure-pipelines-tool-lib",
-  "version": "1.2.0",
+  "version": "1.3.0",
   "description": "Azure Pipelines Tool Installer Lib for CI/CD Tasks",
   "main": "tool.js",
   "scripts": {
diff --git a/tool.ts b/tool.ts
index 1923d36..2a6f872 100644
--- a/tool.ts
+++ b/tool.ts
@@ -382,9 +382,10 @@ export async function cacheFile(sourceFile: string,
  * time of this writing, it is freely available from the LZMA SDK that is available on the 7zip website.
  * Be sure to check the current license agreement. If 7zr.exe is bundled with your task, then the path
  * to 7zr.exe can be pass to this function.
+ * @param overwriteDest Overwrite files in destination catalog. Optional.
  * @returns        path to the destination directory
  */
-export async function extract7z(file: string, dest?: string, _7zPath?: string): Promise<string> {
+export async function extract7z(file: string, dest?: string, _7zPath?: string, overwriteDest?: boolean): Promise<string> {
     if (process.platform != 'win32') {
         throw new Error('extract7z() not supported on current OS');
     }
@@ -402,12 +403,16 @@ export async function extract7z(file: string, dest?: string, _7zPath?: string):
 
         if (_7zPath) {
             // extract
-            let _7z: trm.ToolRunner = tl.tool(_7zPath)
-                .arg('x')         // eXtract files with full paths
-                .arg('-bb1')      // -bb[0-3] : set output log level
-                .arg('-bd')       // disable progress indicator
-                .arg('-sccUTF-8') // set charset for for console input/output
-                .arg(file);
+            const _7z: trm.ToolRunner = tl.tool(_7zPath);
+            if (overwriteDest) {
+                _7z.arg('-aoa');
+            }
+
+            _7z.arg('x')         // eXtract files with full paths
+               .arg('-bb1')      // -bb[0-3] : set output log level
+               .arg('-bd')       // disable progress indicator
+               .arg('-sccUTF-8') // set charset for for console input/output
+               .arg(file);
             await _7z.exec();
         }
         else {
@@ -415,7 +420,8 @@ export async function extract7z(file: string, dest?: string, _7zPath?: string):
             let escapedScript = path.join(__dirname, 'Invoke-7zdec.ps1').replace(/'/g, "''").replace(/"|\n|\r/g, ''); // double-up single quotes, remove double quotes and newlines
             let escapedFile = file.replace(/'/g, "''").replace(/"|\n|\r/g, '');
             let escapedTarget = dest.replace(/'/g, "''").replace(/"|\n|\r/g, '');
-            let command: string = `& '${escapedScript}' -Source '${escapedFile}' -Target '${escapedTarget}'`
+            const overrideDestDirectory: number = overwriteDest ? 1 : 0;
+            const command: string = `& '${escapedScript}' -Source '${escapedFile}' -Target '${escapedTarget}' -OverrideDestDirectory ${overrideDestDirectory}`;
             let powershellPath = tl.which('powershell', true);
             let powershell: trm.ToolRunner = tl.tool(powershellPath)
                 .line('-NoLogo -Sta -NoProfile -NonInteractive -ExecutionPolicy Unrestricted -Command')