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Complete Guide

MS OFFICE 365 PRO PLUS

Follow these simple instructions for a smooth activation. Works on Windows, Mac, iOS, and Android.

Before You Begin

You must uninstall all old office versions using the official removal tool. This ensures a clean installation without conflicts.

1

Uninstall Previous Office Versions

Download and run the official Microsoft Office removal tool

If you face issues downloading, try using Incognito Mode or a different browser.

2

Run the Removal Tool

Select "All Office Version" and wait 30-45 minutes for completion

Office Removal Tool - Select All Office Version

Note

If you don't have any Office 365 programs pre-installed, follow all steps below. If you already have Office 365 installed, skip to the bottom section "If Office 365 is Pre-installed".

3

Visit Microsoft Office Portal

Go to the official portal and sign in with your credentials

4

Sign In with Your Credentials

Use the Microsoft 365 login credentials provided with your purchase

Office 365 Sign In - Enter Email
Office 365 Sign In - Enter Password
5

Update Your Password

On first login, you'll be required to change your password for security

TIP: Make sure to remember this new password and save it somewhere safe!

Change Password Screen
6

Set Up Security Info

Required step for account security - link your phone or email

This ensures only you can access your account and helps with password recovery
More Information Required Screen
Security Info Setup

You can update security info anytime at: mysignins.microsoft.com/security-info

7

Install Microsoft 365 Apps

Click "Install apps" β†’ "Microsoft 365 apps"
OR visit m365.cloud.microsoft/apps/ directly after logging in with the generated account.

Click Install apps
Select Microsoft 365 apps

If you see "Buy Microsoft 365" or "Go Premium" instead:

Click on Profile Icon (top-right) β†’ Switch account β†’ Sign in with a different account (use the generated 365 credentials)

Go Premium Screen
Switch Account
8

Click Install Office

After clicking Install 365 apps, click "Install Office" in the next window

Install Office Step 1
Install Office Step 2
9

Run OfficeSetup.exe

Run the downloaded file and click "Yes" when prompted

Office Setup Download
Office Installing
10

Sign In to Office App

Open any Office app (Word, Excel) and sign in with your 365 account

TIP: You can sign in with multiple accounts to access old data from personal/work accounts while keeping Office activated!

Sign In to Word

Office 365 Activated!

Your Office 365 is now activated for lifetime use

Office 365 Activated

Customize Your Username

Get a personalized email instead of the default numbered one

You can replace your default numbered email with a custom one like yourname@ms365.pro. This option is available directly on your Activate page.

1

Go to the Activate Page and enter your Order ID / Secret Code

2

Complete the Warranty Registration if you haven't already (required to unlock customization)

3

Look for the "Customize Your Username" section and click "✨ Customize My Username"

4

Choose your desired username, fill in your details, and submit the request

βœ“

Your new custom username will be ready within 24-48 hours and you'll be notified via email

Access OneDrive Storage

Download the OneDrive app or visit onedrive.live.com. Sign in with your generated 365 account to enjoy cloud storage.

Works on Windows & Mac

The procedure is similar for both macOS and Windows. You can activate up to 5 devices of different OS in a similar way.

If you see error CAAC000E

Simply click "Continue" to proceed. This error can be safely ignored.

Register for FREE Warranty

Get lifetime technical support & easy reinstallation assistance

Register β†’

If Office 365 is Pre-installed

1

Open any Office app (Word, Excel, etc.)

2A

On Windows: Click File Menu β†’ Account β†’ Activate Product

Windows Activate Product
2B

On Mac: Click "Activate" (key icon at bottom left) β†’ "Already bought Office? Sign in"

Mac Activate
3

Sign in using your purchased credentials. If logged in with another account, click "Use a different account"

Use Different Account

After logging in, the activation is complete!

Mobile Device Activation

Android Phone/Tablet

Download from Play Store and login with your 365 account:

iPad / iOS

Download from App Store and login with your 365 account:

In case of any error or query, feel free to reach out to us!