You did know, didn't you, that one record in Salesforce takes up 2kb of your data storage - even if it only has data in one field, or data in hundreds of fields. This doesn't seem too bad until you start getting data that grows exponentially and you wonder where your data storage is being eaten up. Data from Salesforce is !#$ing expensive. Before you rush out and give Salesforce more money, think about how you may be able to reduce data storage.
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- Delete old Tasks.
- Don't use Tasks or Notes - use Chatter. https://help.salesforce.com/HTViewHelpDoc?id=collab_faq_files_do_chatter_posts_and_files.htm&language=en_US
- Write some code or use a tool like Rollup Helper to summarise the related records on the parent record, then delete the related records - eg after the Case is closed for 12 months.
- In extreme cases look at extracting the data into your own databases then bringing it back in with Lightning Connect.
- Use Case Comments, Chatter etc that don't take up data storage.
- Use Assets - the magic object that does not take up data storage (NOTE: I can not guarantee that this will be the case going forward - especially since Assets is now a full object).
- "Active or archived products, price books, price book entries, and assets don’t count against storage"
- Dedupe your records
- Don't use Google Docs links - link to files in chatter instead.
- Export the related list data to a PDF, attach the PDF to the primary record then delete the related records.
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