XLABLICENSE

Invoke authentication with licensing servers to enable or re-enable your use of Excel Lab.

Description

Excel Lab authenticates with Windham's licensing server for convenience and security. If you encounter issues with re-authentication, you will be able to manually invoke authentication my following the syntax as documented below in Excel's formula bar.

A workbook using Excel Lab requiring re-authentication

You can invoke Excel Lab's license authentication process anywhere in a workbook. You can even do this in a new blank workbook.

You do not need to save the workbook once authentication is successful.

Syntax

The following describes the function signature for use in Microsoft Excel's formula bar.

=XLABLICENSE()

Input(s)

Follow the on-screen dialog prompt to enter your username and password.

Argument	Description
Username	Your e-mail address registered with Windham Labs.
Password	Your password, or unlock key code for offline use. The offline unlock key code is only available for yearly billing plans.

Output(s)

Message	Description
Valid	Credentials (username / password) and account successfully authenticated. Enjoy ExcelLab!
Invalid Credentials	Invalid username and/or password. Check for typos, try again.
Inactive	Your account is no longer active.
Invalid Permissions	Your account is not permissioned for the product / feature.
Expired	Your account has expired.
Invalid Host	Unauthorized device. Each Excel Lab license is locked to a device.
Missing Credentials	No input for either username or password. Please try again.

Example

Invoke licensing via the Formula Bar

To manually authenticated

1. Open any workbook, or create a new (temporary) workbook.

2. In any cell, type =XLABLICENSE() in the formula bar.

3. Follow the instructions as described in the Syntax section above.

When successful, Excel Lab will store your license information within user-specific system files. You do not need to save the temporary workbook.