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Which Windows versions is my version of Treesize compatible with?

You will find this information for the latest on the TreeSize homepage and also in the TreeSize help file in the chapter "Installation".

Can anyone point me in the right direction for tree size pro reporting? I am specifically looking for a report to show me all file extensions for each user under several specific UNC paths.

This is not possible with TreeSize Professional as it is not able to filter both by file extensions and by user name. TreeSize groups information on folder level only, this is because of memory consumption.

We also offer another disk space manager called SpaceObServer which is designed for large servers and continuous reporting. It regularly collects the file system information using a background agent and stores it in a SQL database, including size development. It uses less RAM than TreeSize Pro and the reporting capabilities are faster and more flexible because it is built on a database and collects data on file level. SpaceObServer offers advanced scripting capabilities through OLE Automation. If you are interested, please visit:

SpaceObserver can perform yiur task easily with the integrated filter options.

I 'm able to schedule TreeSize task to perform scan on schedule.I 'm unable to schedule scan multiple path for some reason.when enter "\machine\d$ " "\machine2\d$ " in the path to scan, I only get results from the machine2.

If you want to get a combined, then please add the command line switch /GROUPSCANS to the beginning of the command line. If you want seperate reorts for those drives, it is best to split it up into separate TreeSize call.

How can i restore files i accidentally deleted

Unless instructed otherwise TreeSize deletes all files to the Windows using the same mechanism as the Windows Explorer. That means, if according to your settings files get deleted to the recycle bin, they can be recovered from there.

After searching for a file type is there a way to move the found files to a new directory without maintaining the old directory structure?

Yes. When using the "Move Checked" feature of the file search, there is an option that allows you to decide whether or not the directory sturcture will be preserved.

How do i know what files i need to keep and what i can delete?

Since we do not know which files you have on your disk, and also do not know which files you or your colleagues or family members might be interested to keep, we cannot give you advice here. The results of the TreeSize Temporary File Search and the Browser Cache Files are quite safe to delete. If you delete files, only delete them to the recycle bin or move them to a different path, from where you can recover them again a few days after you deleted them, just in case you deleted a file you still need. The "Move Files" feature of the TreeSize File Search and the TreeSize "Details" list makes this easy.

What is the difference between last change date and last access date?

The last change date is the date on which the file has been written the last time, for example if a file is saved or if the content of a folder is altered. The last access date is updated even if the actual written content is identical to the previous one.

The last access date shows when the file was last opened for reading.

How can i combine scan history from two different users into one?

Let the first user export his history through "History > Manage history data > Export to file". The second user then can import this file through  "History > Manage history data > Import from file", the data will get merged.

Is there any way to combine scans into one logical scan? For example, I would like to group C: and D: together for charts and reports. Kind of like a "Level 0 " I guess.

Yes, please use Tools > Group all scans in a virtual root.

TreeSize works great in finding thousands of duplicate files, but how can I select the subset I want to delete other than one at a time?

If you want to keep the newest file of every group only, you can select "Check all but newest" from the "Duplicate Files" tab in the ribbon menu. In addition to that, the dropdown selection offers a large variety of additonal options to custom select files.

If you want to choose for each group of files individually which one to preserve, you obviously need to do this one by one.

I would like to use the file search to list all files in a folder called ARCHIVE, which (together with folder name) have a length of over 240 characters.

You can achieve this byusing the custom search. Add the pattern *\Archive\*.* to the file name patterns (as the only one which is checked) and on the "Size Attributes" tab set "Full path longer than" to 240. After checking the drives to search in the panel at the top of the search, hit "Start".

Can Treesize Professional search by groups of machines? I want to be able to search multiple unc paths without adding every one of them individually.
You can search all shares of a remote machine by entering the unc path of the machine only, e.g \\machinename. You can search all shares of all members of a domain by entering the UNC path of the domain, e.g. \\domainnane.