How to Solve Microsoft office 365/2021/2019 Error Code 30094-1015

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.

Disclaimers: Before you attempt to fix the Microsoft office issue, we highly recommend taking a registry back up and set a system restore point. Because this process involves repair on registry and changes. In case if something goes wrong during this process, we can revert back the settings and we can does a system restore? Also, save your documents, emails, spreadsheets, and office related files and back It up.

(In case if you not sure how to back up, consult the Experts to help you)

error code 30094-1015

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.


1. Open drives window (Shortcut CTRL+E and choose PC name from right side panel)
2. Right-click on C: drive and select properties.
3. In the properties window select the Disc clean up button to proceed and then follow the step-4 from method -1.

It takes some time if the computer has too many junk files to clean up.

If you have a different issue, we are welcome to investigate and provide a relevant solution. Here are a few things which we can try to resolve this issue.

1. The first attempt is to check if there is any previously installed program with the same version.

That needs to be removed and then the installation should be commenced from the beginning.

2. If we don’t see any previously installed similar programs, it is recommended to run a network check through the command line.

The command prompt should be opened using the administrative permissions and then the network command which needs to be executed as follows.


Irrespective of the version of your office program, it is a very common line to check the status of your previously installed office program.

The server name should not show you as unknown.

3. If the server name is shown as unknown, restart your router or the modem and execute the same steps again.

4. If the server check passes correctly, then use the other setup file which is related to 64 bit from advanced steps under the office setup file.

5. If the Microsoft office 365/2021/2019 error code 30094-1015 , still appears after the installation, attempt to repair the office programs.

6. If the Office repair fails again with some office 365/2021 installation error 30094-1015 , a re-installation of the office is required.

7. If the Office repair succeeds and you still see the same Microsoft 365/2021 error code 30094-1015, then perform a system file scan on your windows using the following steps.

You can perform a system file scan process that can be started on a command prompt window with administrative rights.
SFC /SCANNOW in the command line that needs to be executed.

How to do an SFC Scan:-

1. Click on the start button and type “cmd”
2. Open “Command prompt window” and type “SFC/SCANNOW” PRESS enter button,
3. The scanning process start and this process take some time to finish. Please wait until it gives results.
SFC Scan
This video shows how to do an SFC scan:

If the computer says, no integrity violations found, then try to reinstall the office 365/2021 installation program which may sometimes replace the corrupted files on your office program.
If that fails to work, it is required to repair the Windows operating system.
It is also found that Windows will scan very slowly and may show you a sluggishness while opening the events on your computer.
It is also recommended to run the windows updates regularly, make sure it is set to automatic updates. Otherwise manually install the updates from your end. The windows 10/11 updates will download the latest drivers required for your computer hardware irrespective of the brand or the manufacturer.


If you would like to have support taken through technical assistance, feel free to initiate a chat or write us on  Please provide the complete information of the computer make and model, office, or windows operating system versions and the best time to reach you for assisting you.
We provide support for Microsoft products like Windows and Office, Word, Excel, Power point and Outlook.
We can also set up free tools provided and included with Microsoft Windows and can train you on how to use them to maintain the health of your computer.

In Conclusion

You can also ask for System Repair Image support or some Recovery help, we also restore your computer to a point when it was working fine without any issues.
Feel free to chat with us for any support. Free assistance can be provided for all the basic troubleshooting without any additional resources.
Error Code 30094-1015

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Otherwise, chat with our Technician to fix your computer issues Now!
As a result, our technicians will resolve all issues on your computer.


More Issues to Error Code 30094-1015 in Office 365, 2016/2019

Error code 800f0900, Error code 0xc004f200, Error code 0xc1900200, Error code error 0x8e5e03fb, Error code 0x80073701, Error code 0x8e5e03fb, Error code kb4012215, Error code 0x80073712, Error code kb3176936, Error code 0x80240fff, Error code 0x80070057, Error code kb4013198, Error code kb4012219, Error code 0x800706d9, Error code 80244022, Error code 800736cc, Error code Kb2919442, Error code 0x80070490, Error code 0x80240190xc190020e, Windows Update Error Code 0xc190020e, Windows Update Error 0xc190020e, fehlercode 0xc190020e, Errore 0xc190020e

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