Microsoft Office Customization Tool (OCT) Language-specific Settings
Microsoft Corporation
Settings Files
mime-type/not-avalible
10/13/2021
If you want to edit OPAL file and not damage it, you should install dedicated software There are many tools known as OPAL Online Editors, but it is not certain that they operate in a way that keeps the data contained in the file safe.
Please note that not every program that supports OPAL will allow you to edit the file. Additional information about the OPAL file extension can be found here.
Definitely the best solution. Use any of the programs that support the OPAL file to check if it allows you to edit the file. It's safest to download the software from the developer's website. You will find links to the software developers' websites on the subpage of each program. Examples of programs cooperating with OPAL files, which make it possible to edit it.
All available programs supporting the OPAL file
Most of the file formats are simply text format saved under a different extension - so you can open them e.g. with Windows Notepad However, it's dangerous, you can permanently damage your OPAL file. When you save the changes, you may no longer open the OPAL file. For this reason, try to use software created to edit OPAL files.
It is actually certain that one of the applications working with files in the OPAL format will be able to edit the file. Still not resolved your file editing issue? Try other solutions. Below are tools that allow you to edit OPAL online files.
Free Online File Edit Service
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