[TipJar] Freeing up disk space in Windows


If you need to free storage space in your C:\ drive, here are the following files that are *relatively* safe to remove. See notes and disclaimer below.

  • Log files placed in log directories. Consult the application manual or your friendly neighborhood techie if you are in doubt.
  • Files with the “BAK” or “BACK” extensions. These are usually temporary files created by applications performing actions that physically alter the files. Evaluate if you still need the backup prior to removal.
  • Files with names starting with the tilde (~) symbol. These are temporarily files created by some applications (notably MS Office) that it failed to remove after the file was closed.
  • Zip files created to send whole directories via email. These should ideally be deleted after sending but for some reason they were left there. 🙂
  • [May require elevated privileges] Contents of the “%SYSTEMROOT%\Temp” directory. Delete as much of the files you can but there will be some file not available for removal as they are currently in use.
  • Contents of the “%USERPROFILE%\Local Settings\Temp” directory. Delete as much of the files as you can but there will be some not available for removal as they are currently in use.
  • [May require elevated privileges] Directories in “%SYSTEMROOT%” that follows the format “[identifier]$”. These are information required to uninstall Official Windows patches.

    • DO NOT REMOVE directories that do not follow the format above.

Notes and Mandatory Disclaimer:

  • As this tip deals with deleting of files, the information is intended for educational purposes only. Please think twice about permanently removing files (shift+delete, removing from the recycle bin). Use the information above at your own risk.
  • To know where your %SYSTEMROOT% and %USERPROFILE% directories are, execute the command echo “%SYSTEMROOT%” and echo “%USERPROFILE%” in a command window.
  • When removing uninstall information for Windows patches, consider leaving behind folders with “Date Modified” values of at most one month prior to the current date. The probability of uninstalling patches installed at older dates becomes small if the machine is in constant use.
  • Some files may require elevated privileges that are not granted to normal users. If this is the case and you need to free up space, seek assistance from your workstation administrator.

Mirroring the IT tip jar


I am maintaining an infrequent office distribution list that contains some tips and tricks regarding common utilities and apps that we use at work. I call that “newsletter” as “IT TipJar” which was initially intended for my co-project members. To quote the last description in an internal office blog:

What is normally just an email push to the members of our project team will now be mirrored in this blog. The primary reason is I am rolling-off from the project and there might be some people who are still interested to receive such information. Mail versions are still being pushed to my current project and those who have expressed interest in getting them but for the rest this personal blog would do.

What is It Tip Jar? It started as a cheesy IT tips and trivia posts that I think will help improve the day-to-day tasks while working with computers. Or at least get an understanding with how things work.

Isn’t that similar to the working smarter memos from CIO? Yes but the difference is that I am not taking responsibility with the tips and content I am sending out. I am not a nanny and I am a firm believer that our people actually have the necessary brain cells to decide what is morally proper. Just like the maxim “guns don’t kill. people do.” what I send out are just tools that can be gleaned from the Internet (which is probably where I find most of them in the first place) so whatever you do with them and the consequences are your own problem.

The decision to mirror the content here is that I also send the content to colleagues who have already left the company and who have express their intent to still keep on receiving these posts. The extra work would be worth it as that is how much I love you guys/gals. 🙂


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