You can see only those tasks which:
- are created by you;
- are assigned to you;
- are created not by you and along are in your personal project or in the project to which you have an access;
To create the common project:
- create the new project;
- right-click on it and open properties of the project;
- press the Add participants to the project button and choose the necessary employees (if you want to add the employee who doesn’t consist in your organization, enter the employee’s email in the field of search and press the OK button).