MS Office is the software which is developed by Microsoft and this software makes the work of every organization easier and comfortable. This software helps in formatting, editing, creating text documents and also for making spreadsheets. You can install this software via www.office.com/setup. This software is used for personal as well as for business uses. But sometimes users face some error codes 3088-1015 which basically occur due to the system files corruption and also the previous installation files not removed properly.

Causes of the Error code 3088-1015:
The main causes of the error code are the antivirus and the firewall setting may be blocking the Office installation, improper installation leads to this error, Internet connection or proxy settings disabled the installation of Office and also the previous version of Office setup might be blocking the installation.
Fix MS Office Error Code 3088-1015:
- Repair your Office App: For repairing Office App, first you have to open Control Panel by clicking on the Start option. Then, you have to click on Programs and then select the Programs and Features option. After this, click on the Office product which you want to repair. Now, click on Change option. After this, you have to select Quick Repair and then click on Repair option. If this does not fix the error code then you have to select Online Repair and then click on Repair option.
- Steps to Remove Office: To remove Office, first you have to open the Control Panel by clicking on the Start option. Then you have to click on Programs and then select Programs and Features option. At the end, select Office Suite and then click on Remove option.
- Steps to Remove Office Manually: To remove Office manually, first you have to Remove the Windows Installer packages. For this, you have to find the Office 16 installation folder which is located in C:\Program Files\. Then you have to right-click the Microsoft Office 16 folder and then select Delete option. Secondly, you have to Remove the Office scheduled tasks. For this, you have to open a Command Prompt window as an administrator. Here, you have to type the commands and then press Enter key-
schtasks.exe /delete /tn “\Microsoft\Office\Office Automatic Updates”
schtasks.exe /delete /tn “\Microsoft\Office\Office Subscription Maintenance”
schtasks.exe /delete /tn “\Microsoft\Office\Office ClickToRun Service Monitor”
After this, use the Task Manager to end the Click-to-Run tasks. For this, first you have to open the Task Manager and then click on the Process tab. If the processes are running, then right-click each one, and then you have to click on End task
.exe
setup*.exe
Now, delete the Office files. For this, Press Windows logo key + R to open the Rundialog box. Then, in the Open box, type %ProgramFiles%, and then you have to click on OK button. Now,delete the “Microsoft Office 16” folder. And then delete the “Microsoft Office” folder. After this, open the Run dialog box, then type %ProgramFiles(x86)%, and then you have to click on OK button. At the end, delete the “Microsoft Office” folder. Now, delete the Office registry sub keys. Then, open the Registry Editor and delete the registry subkeys:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\ClickToRun
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\AppVISV
HKEY_CURRENT_USER\Software\Microsoft\Office
Then Deletethe Office key.
After this, delete the Start menu shortcuts and open the Command Prompt window
Type %ALLUSERSPROFILE%\Microsoft\Windows\Start Menu\Programs, and then press Enter.
At the end, just delete the “Microsoft Office 2016 Tools” folder. - Download and Install Office: For this, first you have to sign in to your My Account page using the link www.office.com/setup and then you have to choose Install option. Now, just click on Run option. At the end, when you see “You’re good to go”, then click on All done option.
But if you are still finding any kind of problem then you can contact to the customer care executive via office.com/setup.