SharePoint Designer
Microsoft Corporation
Misc Files
mime-type/not-avalible
10/09/2021
If you want to edit SPDESIGNMASTER file and not damage it, you should install dedicated software Of course, there are probably SPDESIGNMASTER Online Editors available, but none of them will be able to provide such a wide range of available options as dedicated software.
The installation of the program that supports the SPDESIGNMASTER file does not guarantee that the file can be edited. If you want, you can learn more about the SPDESIGNMASTER file extension.
This is the best way. Use any of the programs that support the SPDESIGNMASTER file to check if it allows you to edit the file. The most proven method is to download the installer from the developer's website. You can find direct links to the creators' websites on the subpages of each application. Below you will find some examples of software programs that support the SPDESIGNMASTER file (so it is very possible that they can edit files in SPDESIGNMASTER format).
And here is the full list of programs supporting the SPDESIGNMASTER file
Remember that many file types have a text format and you can preview their contents by opening them, for example, with Windows Notepad. However, it's dangerous, you can permanently damage your SPDESIGNMASTER file. After saving the changes, it may not be possible to reopen the SPDESIGNMASTER file. By far the safest way is to use file editing programs that works with the SPDESIGNMASTER extension.
It seems that one of the software on the list must be able to edit the SPDESIGNMASTER files. However, if for some reason you did not find this option, you can try using tools prepared by external websites. Verified websites with the option to edit the file in the SPDESIGNMASTER format below.
Free Online File Edit Service
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