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How to enable long path names?

Posted

Thunderbird won't accept attachments with long path names, i.e., longer than 260 char. (If I copy a file from its long path folder to one with a shorter path, TB accepts it as an attachment.)

This page https://winaero.com/blog/how-to-enable-ntfs-long-paths-in-windows-10/ advises adding:

  <longPathAware>true</longPathAware>

to a Win32 app's "manifest".

Does this work with Thunderbird? If it does, how does one update TB's manifest, please?

Thank you very much! ..Bill..

PS: I have already updated the registry thusly:

  [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\FileSystem]
  "LongPathsEnabled"=dword:00000001
Thunderbird won't accept attachments with long path names, i.e., longer than 260 char. (If I copy a file from its long path folder to one with a shorter path, TB accepts it as an attachment.) This page https://winaero.com/blog/how-to-enable-ntfs-long-paths-in-windows-10/ advises adding: <longPathAware>true</longPathAware> to a Win32 app's "manifest". Does this work with Thunderbird? If it does, how does one update TB's manifest, please? Thank you very much! ..Bill.. PS: I have already updated the registry thusly: [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\FileSystem] "LongPathsEnabled"=dword:00000001

Modified by billlee42

Chosen solution

I think the real question is why. If you need a book to describe the file location there is an issue. ALthough using UNC paths now instead of drive letters will make some server addresses longer.

But I doubt Thunderbird will work with a modification that is describes as a windows shell modification.

A manifest file. I think they are only for Visual studio .net projects. Thunderbird is not a .net project. The description here https://docs.microsoft.com/en-us/windows/desktop/sbscs/application-manifests talks about assemblies and they are .net creatures.

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Matt
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3154 solutions 21497 answers

Chosen Solution

I think the real question is why. If you need a book to describe the file location there is an issue. ALthough using UNC paths now instead of drive letters will make some server addresses longer.

But I doubt Thunderbird will work with a modification that is describes as a windows shell modification.

A manifest file. I think they are only for Visual studio .net projects. Thunderbird is not a .net project. The description here https://docs.microsoft.com/en-us/windows/desktop/sbscs/application-manifests talks about assemblies and they are .net creatures.

I think the real question is why. If you need a book to describe the file location there is an issue. ALthough using UNC paths now instead of drive letters will make some server addresses longer. But I doubt Thunderbird will work with a modification that is describes as a windows shell modification. A manifest file. I think they are only for Visual studio .net projects. Thunderbird is not a .net project. The description here https://docs.microsoft.com/en-us/windows/desktop/sbscs/application-manifests talks about assemblies and they are .net creatures.
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Question owner

Giving files long descriptive names helps my naive users distinguish one from another.

Thank you muchly for the explanations, Matt. These points are not made on the various pages I found regarding longPathAware.

Giving files long descriptive names helps my naive users distinguish one from another. Thank you muchly for the explanations, Matt. These points are not made on the various pages I found regarding longPathAware.
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