Create rules to filter your emails

1. Open Gmail.
2. In the search box at the top, click Show search options  .
3. Enter your search criteria. If you want to check that your search worked correctly, see what emails show up by clicking Search. 
4. At the bottom of the search window, click Create filter.
5. Choose what you'd like the filter to do.
6. Click Create filter.

Note: When you create a filter to forward messages, only new messages will be affected. ​In addition, when someone replies to a message that you've filtered, the reply will only be filtered if it meets the same search criteria. 

1. Open Gmail.
2. Tick the box next to the email you want. 
3. Click More .
4. Click Filter messages like these.
5. Enter your filter criteria.
6. Click Create filter.

1. Open Gmail.
2. In the top right, click Settings   See all settings.
3. Click Filters and blocked addresses.
4. Find the filter that you'd like to change.
5. Click Edit or Delete to remove the filter. If you're editing the filter, click Continue when you've finished editing.
6. Click Update filter or OK.

If you have a backup of your filters, you can import the filters in Gmail. You can also export your filters.

1. Open Gmail.
2. In the top right, click Settings   See all settings.
3. Click Filters and blocked addresses.
4. Tick the box next to the filter.