Hy my visa is expired already. But still not...

Firstly, please note that the employment visa cancellation power lies into the employer's hands since he is the person who has initiated the process of get you engaged and issued your employment visa.

The cancellation had to be submitted to the GDRFA by the employer and the process can be done either online or in their locals

The Ministry of Labour has built up its online site that helps and eases the process of issuing and cancelation of visa.

For your work permit: MOL

For residence permit: Amer - General Directorate of Residency and Foreigners Affairs - Dubai

Certain documents shall be submitted after which the cancellation process will be further preceded.

Concerning the other method, it consists to visit any of the typing offices registered by GDRFA and fill the form on your behalf and will be taken towards the cancellation.

Documents Required for UAE Employment Visa Cancellation

• Original passport of the sponsored
• Labour Card (Work Permit) copy
• Original E-Signature Card of the Authorized Signatory
• Trade License Copy
• Labour Establishment Card Copy
• Immigration Establishment Card Copy
• Original identity card of the sponsor

The Emirates ID is not required as it gets cancelled too with your visa cancellation.
Once the employment visa is cancelled, the residence visa and Emirates ID will be seized.

 and additionnaly,

It should be noted that staying more than six months out of the UAE will automatically cancel residency visas.
But in the vent that you left the country without ensuring that the visa is cancelled completly, so in this case the employer must have to report you for absconding.
That means that it will affect theyour application for another visa again, and that if you come again to UAE you may be arrested at the airport.