84,488,480 programs installed

Should I remove 1-Zip?

What percent of users and experts removed it?
76% remove it24% keep it
Overall Sentiment
What do people think about it?
(click star to rate)
How common is it?
Global Rank #25,120
United States Rank #33,120
Reach 0.0071%
Lifespan of installation (until removal)
< 14.23 days
419.80 days >
Average installed length: 220.57 days


1.0 100.00%

1-Zip version 1.0

Remove 1-Zip version 1.0
Powered by Reason Antivirus

What is 1-Zip?

1-Zip may bundle additional software including potentially unwanted web browser toolbars. From the site: The download and installation of this app will be managed by the OneFloorApp install manager. OneFloorApp is an independent software provider. The download and installation of your requested app may also include additional recommended software provided by 3rd parties that might be beneficial for you. Apps you choose to install will be downloaded to your computer and installed automatically.

About  (from One Floor App LTD)

In order to provide you with such services, OFA may change some of your system's preferences, such as homepage, new tab page, add toolbars, change your default search engine and install other software on connected devices. 1ZIP is a highly effective app that helps you create, unpack and compress multiple archive files....  Read more


The primary executable is named 1zFM.exe. A majority of users end up uninstalling this less than a week of it being installed. The setup package generally installs about 11 files and is usually about 2.6 MB (2,727,905 bytes).
1-Zip has been seen bundling various 3rd party software during the installation process. Make sure to check for and remove unused programs.
Find out how to remove 1-Zip version 1.0.

Program detailsProgram details

Displayed publisher: One Floor App Ltd.
URL: www.onefloorserve.com/1zip.aspx
Help link: www.onefloorapp.com
Installation folder: C:\Program Files\1-Zip\
Uninstaller: "C:\Program Files\1-Zip\unins000.exe"
Estimated size: 2.6 MB

Program filesFiles installed by 1-Zip version 1.0

Program executable:1zFM.exe
1-Zip File Manager
Path:C:\Program Files\1-Zip\1zFM.exe
Additional files:
  • 1z.dll - 1-Zip (1z Plugin)
  • 1zFM.exe - 1-Zip File Manager
  • 1zg.exe - 1-ZIP GUI
  • 1-zip.dll - 1-Zip Shell Extension
  • 0b19452d-7570-45e0-b1eb-dc53d0adbfb9.dll
  • 22ee4c9d-3079-4ea8-90a0-22c74e0f1abd.dll
  • c6308979-d206-4fc8-8730-b105604312d3.dll
  • de23980e-2797-4d0f-87c0-c5f0a0e9d041.dll
  • e2d9ffdd-23a0-405a-b92b-96cd5a675c0f.dll
  • ee63cdc6-5f91-44d3-a3dd-8241c1189391.dll
  • unins000.exe - Setup/Uninstall

How do I remove 1-Zip?

Quickly and completely remove 1-Zip version 1.0 from your computer by downloading Reason's ‘Should I Remove It?’ (click the button below).
Download Reason's ‘Should I Remove It?’Remove 1-Zip version 1.0 from your computer.
Or, you can uninstall 1-Zip from your computer by using the Add/Remove Program feature in the Window's Control Panel.
  1. On the Start menu (for Windows 8, right-click the screen's bottom-left corner), click Control Panel, and then, under Programs, do one of the following:
    • Windows Vista/7/8: Click Uninstall a Program.
    • Windows XP: Click Add or Remove Programs.
  2. When you find the program 1-Zip version 1.0, click it, and then do one of the following:
    • Windows Vista/7/8: Click Uninstall.
    • Windows XP: Click the Remove or Change/Remove tab (to the right of the program).
  3. Follow the prompts. A progress bar shows you how long it will take to remove 1-Zip.
  4. If for some reason uninstallation fails, please install Microsoft's uninstall fixer utility which will help fix problems with programs that can't be uninstalled at support.microsoft.com.

Win 7 (SP1) 60%
Win Vista 1%
Uninstall it 76%
Keep it 24%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 67.15%
Windows 10 23.36%
Windows XP 5.84%
Windows Vista 3.65%
Which OS releases does it run on?
Windows 7 Home Premium 26.67%
Windows 7 Ultimate 23.70%
Windows 7 Professional 11.11%
Windows 8.1 10.37%
Microsoft Windows XP 5.93%
Windows 8.1 Pro 3.70%

Distribution by countryGeography

24.49% of installs come from the United States
Which countries install it?
  United States 24.49%
  Romania 16.33%
  Austria 14.29%
  Brazil 12.24%
  Germany 10.20%
  United Kingdom 6.80%
  Egypt 3.40%
  Saudi Arabia 2.72%
  France 2.04%
  LY 0.68%
  Thailand 0.68%
  Australia 0.68%
  India 0.68%
  DZ 0.68%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Acer 28.05%
Dell 20.73%
Hewlett-Packard 13.41%
ASUS 12.20%
Lenovo 6.10%
Samsung 6.10%
Toshiba 4.88%
Medion 3.66%
Alienware 1.22%
Common models
Dell Inspiron N5010 3.88%
MSI MS-7788 1.94%
Samsung 300E4C/300E5C/300... 1.94%
Dell OptiPlex 745 ... 1.94%
Dell MM061 0.97%
Sony VGN-BX41XN 0.97%


user comment
No one has commented yet. Help others learn more about this software, share your comments.