Update On Sep 2019
Currently, it was only 90 days only new link Join the Office 365 developer program today
Update On 16th Aug 2018
You can create the One year Free Trial using the new link Join the Office 365 developer program today
All the Step are documented by the MSDN on the link
Welcome to the Office 365 Developer Program
Note: The below mentioned trail program was expired
Microsoft has designed the MS Office 365 Developer Program for the developers who build Office 365 solutions.
The Microsoft Office 365 Developer Program can be accessed through Office 365 Developer Program
The Program benefits are as follow
Click on the Join Now link after accessing the above link Office 365 Developer Program
Fill the Form as show below
After Successful registration for the Office 365 Developer Program , we will get the email with the redeem link.
NOTE: Please be sure you are In-Private browsing to redeem the code.
Click on the Redeem links and complete the Registration Form for Office 365 Subscription .
After successful registration for the Office 365 , we will get with the details of your tenant (username , domain etc..) and validity as shown below.
SharepointMates 
Hi Team,
I hope you are doing well.
i am using i Office365 trail version. Now i want to extend my trail version upto 1 year.
Please extend the my trail version (yrs@infovibez.onmicrosoft.com
) .
Regards,
Reddy Sekhar
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I dont know whether we can extend the trail or not. Please sign up for the Office 365 developer program with the latest links in the post to get the Free subscription for one year
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great idea I, I want sign up now
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Please sign up for the Office 365 developer program to get the Free subscription for one year
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Is the subscription now for 90 days only??? as on June 2019
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Yes. Now it was changed to 90 dayas
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