Short answer: IKEA Malaysia — its published 365-day return policy (with clear steps for online and in‑store returns and refunds) makes it the most consistently reliable return experience in Malaysia. (IKEA.com)

Why I pick IKEA

• Very long, unconditional “change your mind” window (365 days) for most items, with refunds made to the original payment method. (IKEA.com)
• Clear procedures for online-order returns (return labels, collection points or in‑store drop‑offs) and explicit terms about what’s non‑returnable. (IKEA.com)
• Because IKEA operates physical stores and handles returns centrally, the process is less dependent on third‑party sellers or variable marketplace policies.

Other reliable options (situations where they may be better)

• Shopee (marketplace): Shopee launched a platform‑level “15 Days Free Returns” initiative (March 2024) to enable no‑questions‑asked change‑of‑mind returns for eligible items — this is convenient for marketplace purchases, but eligibility can vary by seller/item so you should check the product page and return badge before buying. (sinchew.com.my)
• Zalora (fashion focus): Offers a clear 7–30 day return window depending on category and explicit exchange/refund workflows for apparel and lifestyle items — good for clothes/shoes where brand tags and packaging are required. Note: Zalora also applies return‑processing measures for frequent returners, so be mindful if you return many orders. (support-my.Zalora-ops.com)

Quick buying/return tips

• Always check the product page for “returns eligible” badges and the exact time window before purchase.
• Keep original packaging, tags and proof of purchase; many platforms require them.
• For marketplace listings (Shopee, Lazada sellers, etc.), prefer “sold by [platform]” or verified/official stores to reduce seller‑specific exceptions.
• Read the store’s refund timeline (how long after warehouse inspection the refund is issued) and whether refund goes to original payment, wallet credit, or store credit.

If you want, I can:

• Compare return policies for a specific category (electronics, clothing, furniture) or
• Pull the current return policy pages for Lazada, Courts, Senheng or any other Malaysian retailer you care about.