Maximum Path Length Limitation

Question

I did the step on this link to enable a long path, but the problem is still there, as shown below. :https://learn.microsoft.com/en-us/windows/win32/fileio/maximum-file-path-limitation?tabs=powershell How can I solve it still? The path is 256 characters.

Answer 1

That is an Excel "feature".

https://answers.microsoft.com/en-us/msoffice/forum/all/did-microsoft-roll-back-the-long-file-names/01494d63-1a75-49f9-9232-f24dd63cecee

https://answers.microsoft.com/en-us/msoffice/forum/all/excel-365-cannot-open-the-file-because-the-file/c3394950-4aa3-433a-bbe4-cdb0c02a32bc

The simple solution is to rename the long folder/file names to something shorter so that the total length is less than 259 as the message says.

If you can't shorten the name, please see my answer to this post for other options. See if you can use the 8.3 name or create a symbolic link that bypasses the top level folders and effectively shortens the file name.

https://learn.microsoft.com/en-us/answers/questions/1434888/long-path-not-working-and-i-am-unable-to-rename-th

Answer 2

Please restart PowerShell and try again, if it will not help try rebooting your PC.

If this helps kindly accept the answer.

Answer 3

yes ,but still the user cannot open

Can't open what? We can't see your screen.

Please share details what you are you are doing because while Windows might support long file names, the application that you are running might not.

Open a Powershell prompt. Copy and paste in these commands.

$LongFolderPath = "$env:TEMP\" + ("A" * 200) + "\" + ("B" * 200) + "\" + ("C" * 200) 
$LongFolderPath.Length
New-Item $LongFolderPath -ItemType Directory 
Remove-Item  $LongFolderPath

If that works, then Windows supports long file names. It should look like this.

If it fails, then run this command.

reg query HKEY_Local_Machine\SYSTEM\CurrentControlSet\Control\FileSystem  /v LongPathsEnabled

Verify that it is a REG_DWORD and is set to 0x1.

Answer 4

Despite having the above registry key on Windows 2022, Powershell does not work with path longer than 260. Do we need anything else, e.g. specific net framework etc?