SetDeliveryTime for Outlook

The SetDeliveryTime add-in allows you to set the default value for the "Do not deliver before" parameter in Outlook.

Current version: 1.0.4

The application is a COM add-in compatible only with classic desktop Outlook for Windows. It does not support the new Outlook for Windows.

Installation

1. Exit Outlook if it is running. Then download the SetDeliveryTime_104.zip, extract all files to C:\Program Files\IvaSoft\SetDeliveryTime, run SetDeliveryTimeSetup.exe, and follow the instructions.
2. Start Outlook and click File > Options > Add-ins. Select "COM add-ins" in the Manage: list box (at the bottom of the dialog) and click the "Go" button. Verify that SetDeliveryTime appears in the list and is checked.
   
3. Click "Add-in Options" and configure your preferences in the SetDeliveryTime tab. Click "Apply" > "OK".
   

Testing

1. Compose a new email.
2. Navigate to "Options" tab (1) > "Delay Delivery" button (2).
3. Verify that the "Do not deliver before" value (3) matches your settings.
   

Tested with Outlook 2016/2019/2021/365 on Windows 10/11.

Uninstallation

You can uninstall the add-in via Settings > Apps — labeled "Installed Apps" in Windows 11 or "Apps & features" in Windows 10.

What is the difference between the free version and the Pro version?

1. Free version

   ❌ Unsupported workflow: New Email > Arrow next to "Tags" (1) > "Do not deliver before" checkbox (2)

   

   ✅ Use instead: Options > Delay Delivery

2. The Pro version removes this restriction and adds a ribbon button for quicker access:
   

Pricing and Licensing of the Pro version

License type

Price per unit

Single license

$35.00

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Site license

$1,500.00

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Enterprise license (including the source code)

$4,500.00

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A Site license covers a single organization at one physical location, with an unlimited number of installations.
An Enterprise license covers all computers across a single organization worldwide, including all branches and remote users.