How to reset Outlook Folder Names with resetfoldernames

The language of your Outlook folder names will match the language of Outlook by default. But only the first time that you open your mailbox. To change the folder names in Outlook you will have to use the /resetfoldernames switch.

Changing the language of your inbox folder items isn’t something that you do often. But when a user opens their mailbox the first time in Outlook, the language is matched with that of the Outlook installation. So if that is English, then the folder names will be in English as well.

In this article, I will explain how you can change the folder names to another language.

Change Language folder names in Outlook

To change the language of the folder names we will need to restart Outlook with a specific switch. Make sure that you first have set Outlook in the correct language, because the folder names will match the language of the Outlook installation.

  1. Close Outlook
  2. Open the Start Menu
  3. Type: outlook.exe /resetfoldernames and press enter
outlook resetfoldernames
Outlook resetfoldernames in Windows 11

Outlook will now open and the folder names should now match the language of your Outlook Installation.

Manually change the folder names in Outlook

We can also manually change the folder names in Outlook. This way you can translate the folders to any language that you want, without the need to change the language of Outlook.

To change the names, we are going to use a small program, MFCMAPI.

  1. Download MFAMAPI.X64.exe from this Github page. Choose the third option: MFCMAPI.x64.exe.21.0.21127.03.zip
  2. Unpack the zip file and open MFCMapi.exe
  3. Click on Session > Logon…
manually change folder names outlook
  1. Click Ok to open your Outlook profile
  2. Double-Click on your mailbox
  3. Expand Root – Mailbox
  4. Expand IPM_SUBTREE
mfcmapi
  1. Click and wait a second on a folder name to change the name of the folder
change outlook folder name language
Change the name of the folder

When done close MFCMAPI and start Outlook.

Wrapping Up

The easiest way to change the folder names in Outlook is to first set the correct language in Outlook and then use the outlook resetfoldernames command. Manually changing the folder names is an option, but can be a bit time-consuming.

If you have any questions, just drop a comment below.

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4 thoughts on “How to reset Outlook Folder Names with resetfoldernames”

  1. To make it more clear I have 4 folders Junk, Spam, Drafts & Sent. I also have their equivalent in Dutch. Which I want tot keep of course as I have an (official) version of Office 2021 and it’s outlook part. I can not delete either one of them in Outlook. The delete option is greyed out. I think it originates from loading backups in Outlook. Due to ransomware I had to do this again. And I now want to cleanup and look for a proper backup solution as this takes me already 4 days to restore everything ;). I hope there is a solution

  2. Hi Ruud, I tried all of the above steps and folder names keep coming back. Even if I delete them. I can delete them in the tool. However they will be in the “prullenbak” folder when I start up outlook again. Is there a way to erase them for good? Kind regards, Maarten

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