How to open word document in version 2007 ?

Use Word to open a document. You can open word file used by some word processing applications.

Click the Microsoft Office Button

and then click Open.

2.In the File of type list, click OpenDocument Text.

3. Click the file you want to open, and then click Open.

Note: When you open a OpenDocument Text file in Word 2007, it might not have the same formatting as it did in the original application it was created in. This is because of the differences between applications that use the OpenDocument Format.

References:- https://support.microsoft.com/