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The above Microsoft office 365/2021/2019 installation error code 30094-1015 primarily appears when you try to open the Office program on Windows 10 computers that are previously running on Windows 8.1. It has been observed that this error needs to repair or reinstall and you can read the below information for more knowledge.

Solutions for Microsoft Office 365/2021/2019 installation Error Code 30094-1015 :

Microsoft Office 365/2021/2019 installation programs will not open at all and give you an error code 1058-4. Even you get a different error code 30094-1015 when you try to repair or uninstall. This is found on Windows 8.1 to 10 machines recently.

First, do a disc clean-up so that we can remove old-Microsoft office 365/2021/2019 installation traces from your computer.

How to do disc-cleanup:-

Method-1 Creating shortcut

1. Right-click on your computer home screen, Go to “new” in the list and select “Shortcut”.

2. After clicking on a shortcut, a command prompt window will open and type the command “cleanmgr.exe” in it and name as you like to remember it as a disc clean up shortcut button.

3. Then an icon will appear on your home screen, click on it and select the required disc to clean up. (Normally Software’s gets installed on DRIVE:C which is default here).

4. Then a list of folders will appear, select temp folder, recycle bin and proceed to clean up the disc.

Meanwhile, Watch this video to follow the above steps for a disc cleanup.