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EazyIT by Patrick
EazyIT by Patrick

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Lock Sheet does not modify data on Excel

2025/11/6 Edited to

... Read moreเมื่อคุณต้องการป้องกันการแก้ไขข้อมูลสำคัญในไฟล์ Excel วิธีล็อคเฉพาะบางส่วนของเซลล์ (Lock Cell) เป็นวิธีที่ช่วยให้คุณควบคุมการแก้ไขใน worksheet ได้อย่างมีประสิทธิภาพ คุณสามารถล็อคแค่คอลัมน์ เซลล์ หรือสูตรที่ต้องการไม่ให้ผู้อื่นเปลี่ยนแปลงได้ ขั้นตอนที่ผมมักใช้ เริ่มจากเลือกเซลล์ที่ไม่ต้องการล็อค ก่อน จากนั้นเปิดใช้งานฟีเจอร์ 'Format Cells' และไปที่แถบ 'Protection' เพื่อยกเลิกเครื่องหมายถูกใน 'Locked' ของเซลล์เหล่านั้น จากนั้นเลือกเซลล์ที่ต้องการล็อคและทำเครื่องหมาย 'Locked' ไว้ แล้วจึงไปที่แท็บ 'Review' เพื่อคลิก 'Protect Sheet' กำหนดรหัสผ่าน (Password) เพื่อป้องกันการแก้ไข นอกจากนี้ การล็อคสูตรใน Excel ก็สำคัญมากเพื่อป้องกันการผิดพลาดจากการแก้ไขสูตรโดยไม่ตั้งใจ โดยการล็อคเซลล์ที่มีสูตรและใช้ฟีเจอร์ป้องกันชีท จะช่วยให้สูตรของคุณไม่ถูกเปลี่ยนหรือเลื่อนไปโดยไม่ได้ตั้งใจ ทั้งนี้ การตั้งรหัสผ่านควรเลือกที่จำได้ง่ายแต่ปลอดภัยเพื่อป้องกันคนอื่นเข้ามาแก้ไข สำหรับการปลดล็อคเมื่อต้องการแก้ไข ให้เข้าไปที่ 'Review' แล้วเลือก 'Unprotect Sheet' จากนั้นใส่รหัสผ่านที่ตั้งไว้ก็สามารถแก้ไขข้อมูลได้ตามปกติ จากการใช้งานจริง ผมมักใช้วิธีนี้เพื่อป้องกันข้อมูลสำคัญในรายงานประจำเดือน หรือไฟล์ที่ใช้ร่วมกับทีม ช่วยลดข้อผิดพลาดและเพิ่มประสิทธิภาพในการทำงานได้ดีมากครับ หวังว่าบทความนี้จะช่วยให้คุณจัดการกับ Excel ได้สะดวกขึ้นและปลอดภัยยิ่งขึ้น ลองทำตามขั้นตอนดูนะครับ รับรองว่าไฟล์ของคุณจะปลอดภัยจากการแก้ไขโดยไม่ได้รับอนุญาตทันที

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