You can set corporate exchange rates but manually or by importing from an excel per below.
MANUAL:
Step 1: Begin by navigating to settings section by selecting the settings menu icon on the top right side of the screen.
Step 2: Next select the “Manage Settings” button (item A) from the dropdown list.
Step 3: Select ‘Manage Exchange Rates’ to left of the screen (item B)
Step 4: In Item D below click on ‘Add New currency’
Step 5: The below Add Currency form will appear. Fill out all data sets shown and when complete click Save as highlighted below
IMPORTING CURRENCY EXCHANGE RATES:
Step 1: Begin by navigating to settings section by selecting the settings menu icon on the top right side of the screen.
Step 2: Next select the “Manage Settings” button (item A) from the dropdown list.
Step 3: Select ‘Manage Exchange Rates’ to left of the screen (item B)
Step 4: In Item D below click on ‘Add New currency'
Step 5: Click on ‘Import currencies’ (Item E below)
Step 6: The below import screen will appear, click select (Item A below). Locate the file you wish to upload from your computer and click on this and the file will upload.
Step 7: Click Next (Item B below). Select which sheet on your excel that you wish to upload. Click Next.
Step 8: Review your selection and click Finish