Signing up to be an Office Insider gives you early access to new updates and features Microsoft rolls out for Office 365 users. One of the great perks of being an Office 365 subscriber is the constant flow of updates and new features that become available. However, there is an even deeper level of exclusivity with new Office updates in the touted Office Insider program. Office Insiders are early access to beta versions of new features and can provide valuable feedback to Microsoft to make adjustments before the actual launch of the update.    Office Insider is available for all...