General tools

Query Office version

You can get the version information of Office update channel from Microsoft, including the channel name, branch, version number, and creation time.

To display internal channels, please enable Display internal products and channels.

Query error code description

Error codes usually start with 0x (hexadecimal) or can be a normal number, such as 2 (decimal).

When you query it, Office Tool Plus will display the description of error code. Sometimes a Windows Activation dialog may pop up. Click the Show details to view the description of error code.

Test KMS host reachability

By default, Office Tool Plus uses TCP connection to test whether the KMS host can be connected.

You can also use the vlmcs component to detect whether the KMS host is working properly.

Input your KMS host address, then click Test button.