Home / Blog / OSBooks Purchasing Guide: Purchase Order, Invoice, Return & SettingsFeaturesOSBooks Purchasing Guide: Purchase Order, Invoice, Return & Settings11 August 2026Explore OS-BOOKSOS-BOOKS homeFree demo & trialAndroid app (Google Play)Billing & GST featuresPlans & pricingAll blog articlesPreviousKnow Where Every Product Came From and Where It Went: Master Your InventoryNextOSBooks Sales Management Master Guide for Indian GST ShopsRelated articlesFeaturesAccounts Payable: A Complete Guide for Indian Small BusinessesStruggling to track which supplier needs payment? Learn how to manage your Accounts Payable effectively, avoid payment delays, and keep your business cash flow healthy.22 Aug 2026FeaturesStop Losing Money on Credit Sales: A Simple Guide for Indian Small BusinessesAre unpaid credit sales hurting your cash flow? Discover how OS Books helps Indian business owners track dues and recover payments effortlessly.17 Aug 2026FeaturesLedger in Accounting: What Is a Ledger and How to Manage Business Transactions?A ledger is an account-wise record of transactions that helps businesses see their complete transaction history and balance. Find out how OS BOOKS makes ledger management easy.12 Aug 2026
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