Knowledge Base


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I want to run a scheduled task every week without the need to rename the file before it 's overwritten. Is there a method to name the file in a date format?

You can do this with the command line switch "/DATE"

This switch will add the current date to all file names occurring after it on the command line. This is useful if you want to do scans regularly every night or every weekend. If you want the date included in all filenames, then /DATE should be your first command line option. The following example will scan the network path \host\share and save the result to a file like C:\scans\name_03-12-20_1550.xls:

tsizepro.exe /DATE /EXCEL "C:\scans\name.xls" "\host\share"

Can I use TreeSize on a 64 bit Windows?

Yes, TreeSize works fine on 64 bit systems. For users of TreeSize Professional, there is even a native 64 bit edition of TreeSize available.

Where is the history data stored ?

The information to generate the TreeSize "History" chart is stored in the XML file "scanhistory.xml". It is located in the local user settings:
"%APPDATA%\JAM Software\TreeSize Professional\"

Is there a way to get a summarized listing of all the owners for files/folders down an entire folder tree? The top-level folder gives the owner for that folder, but various sub-folders can have other owners and I 'm looking to get a summarized listing of all the various people that may have files/folders below a top-level folder.

Under Tools / Options / Export you can define which column should be part of the exported data. Please activate the column "Owner" here for all export types, and also enable the option to include single files in the export.

We have another product called SpaceObServer which is designed for large servers and continuous reporting. It regularly collects the necessary data using a background system service and stores it in a SQL database. It uses less RAM than TreeSize and the reporting capabilities are faster and more flexible because it is built on a database and collects data on file level. And of course reports can be created much faster from the SQL database. If you are interested, please visit:

Where can I find updates ?

Use "Help > Check for update" to find out if thereis a newer versions available and to install it.

You can download new versions within your maintenance period for free. If your maintenance expired you can renew it also in our customer’s area:

Is it possible to download a trial version of this software?
Is there a way to get TreeSize to show the "Last Change " date as the date of the last change for any sub-folder or file created in the folder 's tree/path including if a new file/folder was created that was greater than the top-level folder?

What you describe is exactly what TreeSize does. The last change date of a folder that Treesize shows is the "latest" last change date of all files in the whole subtree. In contrast to this, the Windows Explorer only takes direct sub-files into account when calculating the last change date of a folder. so the date shown in Treesize may differ from the date shown in the Windows Explorer, but is more accurate.

Is TreeSize available for any Non-Windows, especially for AIX, SOLARIS or HP-UX operating systems?

TreeSize is not available for non-Windows systems, but we have many customers that scan their Unix/Linux servers wth TreeSize through Samba.

Is there a size limit on the amount of data that Treesize pro can query at one time? What are the system requirements (CPU, RAM, etc.) for running the software?

There are no explicit limitations in what TreeSize is able to scan. The more folders and files the file system tree you want to scan has, the more free memory will be necessary to store the queried data. You can reduce the memory consumption by turning off the user statistics, the file extensions statistics or file age statistics in the options dialog.

When looking at the File Ages tab, how can the files within each bar be displayed? How can the time periods on the Files Ages tab be customized?

You can use the right click menu and select "Show files of this date interval" to open the file search and automatically list allf files of the selected interval.

The intervals and type of date (last change, last access or creation date) of the file ages can be customized in the options dialog (Tools / Options / File Ages).