If you want to edit WPD file and not damage it, you should install dedicated software Of course, there are probably WPD Online Editors available, but none of them will be able to provide such a wide range of available options as dedicated software.
Remember, that not all of the mentioned programs will allow you to edit the WPD file. Additional information about the WPD file extension can be found here.
This is definitely the surest way. Choose one of the programs that support the WPD file extension, open your file and check the editing options. The most proven method is to download the installer from the developer's website. You will find links to the software developers' websites on the subpage of each program. Below you will find some examples of software programs that support the WPD file (so it is very possible that they can edit files in WPD format).
And here is the full list of programs supporting the WPD file
Some file formats are just plain text files that you can open with Notepad. But beware - making manual changes to the WPD file or another may result in its damage. After saving the changes, it may not be possible to reopen the WPD file. It is safest to use software that was created to edit files in the WPD format.
It seems that one of the software on the list must be able to edit the WPD files. Use other options if you still haven't found a way to edit WPD. Below are tools that allow you to edit WPD online files.
Free Online File Edit Service
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