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Is it possible, on Windows Server 2019, to allow users to modify the content of existing files in a directory BUT denying them the permission to create new files?

I tried giving them 2 different settings:

  • Reading rights on the directory.

  • Total control on files and sub-folders

But it seems the former overrides the later; they only have reading access.

In the advanced permissions, file creation and file modification seem to be coupled, so I am wondering if it's even possible to have the setting that I need. Since I want these two attached permissions to be separated...

Thanks in advance.

Niloiv
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  • I believe that Create is Write, and Modify is essentially Delete+Write. I don't think you can have Modify access that doesn't allow Create, as Modify includes Create. – Smock Oct 14 '19 at 12:38
  • I just made further tests. – Niloiv Oct 14 '19 at 12:42
  • It seems my double-setting is working with simple text files, but fails with Excel. – Niloiv Oct 14 '19 at 12:43
  • Possible duplicate of [How to prevent users from deleting a folder, while still giving them modify permissions to its contents?](https://superuser.com/questions/720486/how-to-prevent-users-from-deleting-a-folder-while-still-giving-them-modify-perm) – harrymc Oct 14 '19 at 12:48
  • @harrymc the deletion permissions are separate things and they are rather simple to control. This is a different situation. – Niloiv Oct 14 '19 at 12:50
  • OK, So my double-setting seems to work with Notepad. But it fails with Excel, Word, ... (Microsoft Office 365) – Niloiv Oct 14 '19 at 12:59

1 Answers1

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Your solution works with simple text files but not with Excel.

This is because Excel needs to create temporary files while it is executing. You will have the same problem with other Office products such as Word.

Negative answer: There is no such solution possible with Excel or Word.

harrymc
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  • I see. That's rather frustrating. I'll see if there is a possible way to make these temporary files created localy. Thank you! – Niloiv Oct 14 '19 at 13:02
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    Office has the bad habit of generating the new document as temporary file, and on save just rename it to the document. – harrymc Oct 14 '19 at 13:04