When a subscription saved report is created (for information on how to save a report see the step by step guide on creating reports) it is saved into , it can be found in the saved report archive that you can access list, accessible through the menu (item Saved reports->List view). 
This page contains a list of all the saved reports that is associated with the currently logged-in account. When there are a large number of reports in the list, a filter can be applied to narrow down the result. The filter can be a part of an e-mail address or the name of the report. 
The checkbox View saved report reports for all users is only visible if your account is a member of the administrator rolesrole.
The Letter icon lets you send the saved report manually, the bar chart icon executes the report. When you want to edit a saved report or use a previously saved report as a template for a new saved report you start by clicking on the Report Name link on the left.
When the Report Name link is clicked on an administration panel is opened for the selected report.
On this panel , with a number of tabs.
On the Saved report tab, many of the settings for the report can be changed. You can change when it's created and which the report name, receivers, and period it should contain.
You can also edit who the receivers of the report should be and the export format that the report should be saved in before distribution.
For more information about the different distribution alternatives see the section saved reports.
On the right of the panel on the same side there are a couple of icons that lets you Execute the report as well as Edit it (same as executing it but you get the chance to tweak the settings before it is created). You can also send it to the receivers directly by clicking on the Send button. Note that when using send as a mail function the report is sent at that moment (the settings for when the report should be created are not used nor changed).
And of course you can remove the report from the system by clicking on the Delete button. 
Under the Columns tab the included columns in the report can be edited. 
Under the Measurement object tab the included measurement object and/or groups can be edited.
Under Schedules you will find a number of icons where the first one allows you to Edit the schedule. From here you can modify the schedule, grouping and file format.
Other icons allow you to manually send or execute the report. You can also delete the schedule or add multiple schedules for the same report.
Under the Columns and Measurement objects tabs the selections previously made for the saved report can be modified:
Use an existing report as a template for a new saved report
If you want to use an existing report as a template for new reports, it is possible to open the administration for the report which you want to base the new report on an existing report, and make the changes you want. For example, you can change the receivers and select a different set of measurement objects. By then checking changing the name and using the Save as a new saved report option before saving button, a new saved report will be created based on the one you choose before but with the changes modifications you have made.