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Starting TreeSize from a command line (cmd.exe), you can use the pipe-notation to redirect output from the standard output stream (1) and standard error stream (2) to a file. E.g.:

TreeSize.exe /NOGUI C:\ 1>StdOut.txt 2>StdErr.txt

From the PowerShell, it's recommended to use the Start-Process command with matching parameters:

Start-Process -FilePath .\TreeSize.exe -ArgumentList "/NOGUI C:\" -RedirectStandardOutput ".\StdOut.txt" -RedirectStandardError ".\StdErr.txt"

Yes. TreeSize addresses drives formatted with ReFS using the api provided by Windows. There are no known issues or limitations.

The portable installation is intended for use on a USB stick and cannot simply be moved or copied.

On a virtual machine (VM) the normal licensing conditions apply, therefore the portable installation will not start there.

An exception are the unlimited site, nationwide or worldwide licenses as well as the consultant license: These can be started on any system of the customer without specifying the installation key and also without installation.

UltraSearch is optimized for fast searching and finding and offers a simple interface with quick access to the most important search functions, such as folder or file search, exclusion filter, date filter or file type search. The program is intended for "quick searches on demand" and indexes the file information in the system memory for this purpose, for lightning-fast results.

The TreeSize file search is much more flexible and offers you additional search options such as a duplicate search or the search for any metadata. Predefined search settings let you find duplicate, temporary or very large files.
The TreeSize file search not only offers versatile search options, but also offer in addition to the main module a great way to clean up your hard drive.

The implementation of Azure File Sync is meant to be completely transparent for the end-user. Accessing a file usually looks exactly the same with or without Azure File Sync.

TreeSize should be able to scan the server, as usual.

TreeSize will try to work on the metadata of the files/folders, whenever possible. Accessing these metadata will usually not trigger any download in Azure File Sync.

TreeSize will also respect offline files (stubs) and try avoid to trigger a download. This requires the files to be marked with the offline attribute though, which depends on the actual implementation of the scanned system.

If you are in doubt about using TreeSize for your specific configuration, we would recommend to try it on a smaller folder first.