MSOCache Folder Information

Martin Brinkmann
May 8, 2010
Updated • Sep 14, 2015
Microsoft Office, Windows
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9

You might have noticed a MSOCache folder in the root directory if you have selected the option to view hidden folders in Windows Explorer. Microsoft Office creates the folder during installation to cache files that are needed to install Microsoft Office.

The folder is not needed to run Microsoft Office and can therefore be deleted safely. It has to be noted however that Microsoft Office will first use the files from that folder if the user activates the repair option. A deleted folder means that future repairs and installations need the Office installation CD or DVD.

Here is how you check if the MSOCache folder exists on your computer system.

Start by opening Windows Explorer. Select Tools from the top menu and then Folder Options. This opens a new window. Switch to the View tab and locate the Hidden files and folders section.

Switch from "Don't show hidden files folders or drives" to "Show hidden files, folders and drives". This is enough to see if the MSOCache folder exists on the computer system.

Update: Select View > Hidden Items in newer versions of Windows which display a ribbon at the top so that you don't need to dive into the folder options anymore for that.

Open the c: drive in Windows Explorer and see if the MSOCache folder is there.

msocache

A right-click on the folder and the selection of properties reveals the size of the folder on the disk. This can be anywhere from 430 Megabytes if Office 2007 is installed to more than 750 Megabytes for Office 2010.

Select the folder and hit the delete key if you want to delete it. Deleting the MSOCache will require the Office CD for the following operations:

Detect and Repair
Demand Install
Maintenance Mode Setup
Installation of service packs and patches

Make sure you have the installation CD or DVD before you delete the folder. An alternative to deleting the folder outright is to back it up before deleting it. This way you can restore it if the need arises.

Summary
MSOCache Folder Information
Article Name
MSOCache Folder Information
Description
If you have installed Office on your system you may want to check for the hidden folder MSOCache which may occupy a sizable amount of space.
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Comments

  1. Anonymous said on March 9, 2023 at 1:52 pm
    Reply

    Does it come back after every “moment” update?

  2. Baloney said on March 9, 2023 at 2:23 pm
    Reply

    Yeah right.. Like this is going to stop defender from running =) This is comedy gold right here.

  3. Anonymous said on March 9, 2023 at 3:25 pm
    Reply

    no ‘about the author’ paragraph?

  4. Gregory said on March 9, 2023 at 4:19 pm
    Reply

    For permanent disable defender is if removed complete from system no just change permission folder.

    Just this is joke.

  5. moi said on March 9, 2023 at 5:57 pm
    Reply

    simpler, load Autoruns (SysInternals)
    – filter “Defender”
    – untag all entries
    – reboot
    nothing has changed since my 1st modification years ago

  6. John G. said on March 9, 2023 at 6:32 pm
    Reply

    I wouldn’t disable Defender imho, it has too many hidden roots inside Windows itself. One time I tried to uninstall it using brute force scripts and then the Onedrive feature stopped working definitely. A reinstallation was needed and since those times I prefer to maintain Defender untouched. It’s a better method to install another antivirus and it will disable Defender in a safer and easier mode (e.g., Avast is the best in this way, and also Panda Cloud Free is good too).

    1. Tweakmaster said on September 29, 2023 at 9:57 am
      Reply

      U are just * [Editor: removed] thats the problem ;p first of all u shall always debloat windows u shall have max 65 services with your drivers for pc and windows own servs. You didnt know what that script did

  7. boris said on March 10, 2023 at 12:19 am
    Reply

    You can not stop defender from running in background or remove it without some penalty. All you can do is to limit telemetry.

    1. TelV said on March 10, 2023 at 4:52 pm
      Reply

      @borts,

      It’s probably Smartscreen which is preventing WD from being disabled. Get rid of that and the problem should be solved: https://thegeekpage.com/disable-windows-defender-smartscreen/#How_to_disable_the_Windows_Defender_SmartScreen_via_Local_Group_Policy_Editor

  8. hoho said on March 10, 2023 at 1:47 pm
    Reply

    Remove Windows and go for Linux.

    1. basingstoke said on March 10, 2023 at 2:51 pm
      Reply

      Linux sucks dude. Besides it’s not comparable to Windows, these OSes are in different classes entirely.

      1. Derp said on March 10, 2023 at 4:36 pm
        Reply

        I use Linux as my daily driver. It’s far more stable than Windows. When’s the last time you used Linux, 2010?

      2. Bromosexual said on March 11, 2023 at 2:04 am
        Reply

        @basingstoke

        You’re right, dude. Bro, linux is just a bunch of code that starts before the OS, dude. Brobrodude, that shit ain’t even got emojis, dudebrodudeman! Dudebro, it’s no way near as cool as Windows with its hardcoded abilities to make money off the user, bro. Yo brodude man, you’re the coolest dude ever man, bro. Dude.

      3. basingstoke said on August 16, 2023 at 7:20 pm
        Reply

        Lol what? Windows 7 doesn’t come with any Emojis

  9. TelV said on March 10, 2023 at 4:46 pm
    Reply

    Download Autoruns and remove the checkmark from Windows Defender. It doesn’t remove it, but it will never run. https://learn.microsoft.com/en-us/sysinternals/downloads/autoruns

  10. Simon said on March 10, 2023 at 8:37 pm
    Reply

    Just use “Defender Control”:
    https://www.sordum.org/9480/defender-control-v2-1/comment-page-1/#comments

    Per this video,
    https://www.youtube.com/watch?v=CLIjr7FyxZ8
    it also works on Windows 11 too…

  11. Someone said on March 10, 2023 at 9:26 pm
    Reply

    Win Defender, is completly the most succesful free-built in antivirus of Microsoft. Really nice product. Saved my ass a lot of times. Has updated malware database, completly strong defence
    from whatever smart screen disables. Or if you want better and more upgrated (paid) program,
    you can go further. But defender is always on your side.

  12. CalixtoWVR1 said on March 10, 2023 at 10:03 pm
    Reply

    Why would one disable Windows (or Microsoft) Defender in the first place?. I consider this to be playing with fire big time. Everybody knows that if one is using another A-V, Defender will be disabled on its own and won’t be in one’s way.

  13. Ed D said on March 10, 2023 at 11:09 pm
    Reply

    Why would I want to disable Windows Defender in the first place? It’s a great anti virus in my opinion. Been using it since Windows 8 and and never had a problem or a virus. Why mess with a good thing, if it ain’t broke don’t fix it.

  14. owl said on August 17, 2023 at 1:57 am
    Reply

    How a ridiculous article!
    I am thoroughly stunned.

    Why Should You Disable First-Party Windows Defender?
    I can only think that it is “malice or perversely intention (want you to buy a third-party AV where you can expect a back margin)” to guide invalidation without showing the premise.
    No sane company will use third-party closed source programs (such as AV).

    As I thought, “Ghacks Technology News” seems to be coming to downfall.

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